Home / 351,429.42-527,139.48-85,192.32

Finding the Fourth Proportional to 351,429.42, 527,139.48 and 85,192.32

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Solution

The fourth proportional to 351,429.42, 527,139.48 and 85,192.32 is: 127,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,429.42 : 527,139.48 = 85,192.32 : x
  2. Step 2: Convert to fraction form
    351,429.42/527,139.48 = 85,192.32/x
  3. Step 3: Cross multiply
    351,429.42x = 527,139.48 × 85,192.32
  4. Step 4: Simplify right side
    351,429.42x = 44,908,235,264.79
  5. Step 5: Solve for x
    x = 44,908,235,264.79/351,429.42
  6. Step 6: Final answer
    x = 127,787.35

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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.