Home / 280,848.30-421,272.45-202,116.30

Finding the Fourth Proportional to 280,848.30, 421,272.45 and 202,116.30

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Solution

The fourth proportional to 280,848.30, 421,272.45 and 202,116.30 is: 303,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,848.30 : 421,272.45 = 202,116.30 : x
  2. Step 2: Convert to fraction form
    280,848.30/421,272.45 = 202,116.30/x
  3. Step 3: Cross multiply
    280,848.30x = 421,272.45 × 202,116.30
  4. Step 4: Simplify right side
    280,848.30x = 85,146,028,885.94
  5. Step 5: Solve for x
    x = 85,146,028,885.94/280,848.30
  6. Step 6: Final answer
    x = 303,174.45

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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.