Home / 282,617.10-423,925.65-280,648.80

Finding the Fourth Proportional to 282,617.10, 423,925.65 and 280,648.80

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Solution

The fourth proportional to 282,617.10, 423,925.65 and 280,648.80 is: 420,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,617.10 : 423,925.65 = 280,648.80 : x
  2. Step 2: Convert to fraction form
    282,617.10/423,925.65 = 280,648.80/x
  3. Step 3: Cross multiply
    282,617.10x = 423,925.65 × 280,648.80
  4. Step 4: Simplify right side
    282,617.10x = 118,974,224,961.72
  5. Step 5: Solve for x
    x = 118,974,224,961.72/282,617.10
  6. Step 6: Final answer
    x = 420,973.20

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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.