Home / 423,252.80-634,846.08-123,736.16

Finding the Fourth Proportional to 423,252.80, 634,846.08 and 123,736.16

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Solution

The fourth proportional to 423,252.80, 634,846.08 and 123,736.16 is: 185,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,252.80 : 634,846.08 = 123,736.16 : x
  2. Step 2: Convert to fraction form
    423,252.80/634,846.08 = 123,736.16/x
  3. Step 3: Cross multiply
    423,252.80x = 634,846.08 × 123,736.16
  4. Step 4: Simplify right side
    423,252.80x = 78,553,416,130.25
  5. Step 5: Solve for x
    x = 78,553,416,130.25/423,252.80
  6. Step 6: Final answer
    x = 185,594.56

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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.