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Finding the Fourth Proportional to 380,779.18, 525,306.16 and 244,787.87

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Solution

The fourth proportional to 380,779.18, 525,306.16 and 244,787.87 is: 337,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,779.18 : 525,306.16 = 244,787.87 : x
  2. Step 2: Convert to fraction form
    380,779.18/525,306.16 = 244,787.87/x
  3. Step 3: Cross multiply
    380,779.18x = 525,306.16 × 244,787.87
  4. Step 4: Simplify right side
    380,779.18x = 128,588,577,623.53
  5. Step 5: Solve for x
    x = 128,588,577,623.53/380,779.18
  6. Step 6: Final answer
    x = 337,698.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.