Home / 289,536.24-434,235.72-163,232.40

Finding the Fourth Proportional to 289,536.24, 434,235.72 and 163,232.40

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Solution

The fourth proportional to 289,536.24, 434,235.72 and 163,232.40 is: 244,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,536.24 : 434,235.72 = 163,232.40 : x
  2. Step 2: Convert to fraction form
    289,536.24/434,235.72 = 163,232.40/x
  3. Step 3: Cross multiply
    289,536.24x = 434,235.72 × 163,232.40
  4. Step 4: Simplify right side
    289,536.24x = 70,881,338,741.33
  5. Step 5: Solve for x
    x = 70,881,338,741.33/289,536.24
  6. Step 6: Final answer
    x = 244,809.90

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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.