Home / 331,569.21-457,565.49-180,666.21

Finding the Fourth Proportional to 331,569.21, 457,565.49 and 180,666.21

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Solution

The fourth proportional to 331,569.21, 457,565.49 and 180,666.21 is: 249,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,569.21 : 457,565.49 = 180,666.21 : x
  2. Step 2: Convert to fraction form
    331,569.21/457,565.49 = 180,666.21/x
  3. Step 3: Cross multiply
    331,569.21x = 457,565.49 × 180,666.21
  4. Step 4: Simplify right side
    331,569.21x = 82,666,624,620.96
  5. Step 5: Solve for x
    x = 82,666,624,620.96/331,569.21
  6. Step 6: Final answer
    x = 249,319.36

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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.