Home / 374,221.02-516,278.40-230,731.94

Finding the Fourth Proportional to 374,221.02, 516,278.40 and 230,731.94

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Solution

The fourth proportional to 374,221.02, 516,278.40 and 230,731.94 is: 318,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,221.02 : 516,278.40 = 230,731.94 : x
  2. Step 2: Convert to fraction form
    374,221.02/516,278.40 = 230,731.94/x
  3. Step 3: Cross multiply
    374,221.02x = 516,278.40 × 230,731.94
  4. Step 4: Simplify right side
    374,221.02x = 119,121,916,812.10
  5. Step 5: Solve for x
    x = 119,121,916,812.10/374,221.02
  6. Step 6: Final answer
    x = 318,319.68

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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.