Home / 289,899.30-434,848.95-248,427.30

Finding the Fourth Proportional to 289,899.30, 434,848.95 and 248,427.30

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Solution

The fourth proportional to 289,899.30, 434,848.95 and 248,427.30 is: 372,640.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,899.30 : 434,848.95 = 248,427.30 : x
  2. Step 2: Convert to fraction form
    289,899.30/434,848.95 = 248,427.30/x
  3. Step 3: Cross multiply
    289,899.30x = 434,848.95 × 248,427.30
  4. Step 4: Simplify right side
    289,899.30x = 108,028,350,556.34
  5. Step 5: Solve for x
    x = 108,028,350,556.34/289,899.30
  6. Step 6: Final answer
    x = 372,640.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.