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Finding the Fourth Proportional to 359,973.96, 539,975.70 and 123,479.28

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Solution

The fourth proportional to 359,973.96, 539,975.70 and 123,479.28 is: 185,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,973.96 : 539,975.70 = 123,479.28 : x
  2. Step 2: Convert to fraction form
    359,973.96/539,975.70 = 123,479.28/x
  3. Step 3: Cross multiply
    359,973.96x = 539,975.70 × 123,479.28
  4. Step 4: Simplify right side
    359,973.96x = 66,675,810,653.50
  5. Step 5: Solve for x
    x = 66,675,810,653.50/359,973.96
  6. Step 6: Final answer
    x = 185,223.98

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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.