Home / 407,134.18-561,848.28-223,371.52

Finding the Fourth Proportional to 407,134.18, 561,848.28 and 223,371.52

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Solution

The fourth proportional to 407,134.18, 561,848.28 and 223,371.52 is: 308,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,134.18 : 561,848.28 = 223,371.52 : x
  2. Step 2: Convert to fraction form
    407,134.18/561,848.28 = 223,371.52/x
  3. Step 3: Cross multiply
    407,134.18x = 561,848.28 × 223,371.52
  4. Step 4: Simplify right side
    407,134.18x = 125,500,904,312.99
  5. Step 5: Solve for x
    x = 125,500,904,312.99/407,134.18
  6. Step 6: Final answer
    x = 308,254.40

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