Home / 314,231.98-471,421.78-103,869.92

Finding the Fourth Proportional to 314,231.98, 471,421.78 and 103,869.92

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Solution

The fourth proportional to 314,231.98, 471,421.78 and 103,869.92 is: 155,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,231.98 : 471,421.78 = 103,869.92 : x
  2. Step 2: Convert to fraction form
    314,231.98/471,421.78 = 103,869.92/x
  3. Step 3: Cross multiply
    314,231.98x = 471,421.78 × 103,869.92
  4. Step 4: Simplify right side
    314,231.98x = 48,966,542,574.86
  5. Step 5: Solve for x
    x = 48,966,542,574.86/314,231.98
  6. Step 6: Final answer
    x = 155,829.28

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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.