Home / 378,001.04-521,529.84-224,916.52

Finding the Fourth Proportional to 378,001.04, 521,529.84 and 224,916.52

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Solution

The fourth proportional to 378,001.04, 521,529.84 and 224,916.52 is: 310,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,001.04 : 521,529.84 = 224,916.52 : x
  2. Step 2: Convert to fraction form
    378,001.04/521,529.84 = 224,916.52/x
  3. Step 3: Cross multiply
    378,001.04x = 521,529.84 × 224,916.52
  4. Step 4: Simplify right side
    378,001.04x = 117,300,676,688.96
  5. Step 5: Solve for x
    x = 117,300,676,688.96/378,001.04
  6. Step 6: Final answer
    x = 310,318.40

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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.