Home / 351,881.04-527,822.16-85,641.73

Finding the Fourth Proportional to 351,881.04, 527,822.16 and 85,641.73

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Solution

The fourth proportional to 351,881.04, 527,822.16 and 85,641.73 is: 128,462.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,881.04 : 527,822.16 = 85,641.73 : x
  2. Step 2: Convert to fraction form
    351,881.04/527,822.16 = 85,641.73/x
  3. Step 3: Cross multiply
    351,881.04x = 527,822.16 × 85,641.73
  4. Step 4: Simplify right side
    351,881.04x = 45,203,602,914.74
  5. Step 5: Solve for x
    x = 45,203,602,914.74/351,881.04
  6. Step 6: Final answer
    x = 128,462.74

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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.