Home / 626,489.64-939,726.06-153,179.08

Finding the Fourth Proportional to 626,489.64, 939,726.06 and 153,179.08

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Solution

The fourth proportional to 626,489.64, 939,726.06 and 153,179.08 is: 229,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,489.64 : 939,726.06 = 153,179.08 : x
  2. Step 2: Convert to fraction form
    626,489.64/939,726.06 = 153,179.08/x
  3. Step 3: Cross multiply
    626,489.64x = 939,726.06 × 153,179.08
  4. Step 4: Simplify right side
    626,489.64x = 143,946,373,322.83
  5. Step 5: Solve for x
    x = 143,946,373,322.83/626,489.64
  6. Step 6: Final answer
    x = 229,766.57

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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.