Home / 520,110.34-780,250.89-160,281.25

Finding the Fourth Proportional to 520,110.34, 780,250.89 and 160,281.25

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Solution

The fourth proportional to 520,110.34, 780,250.89 and 160,281.25 is: 240,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,110.34 : 780,250.89 = 160,281.25 : x
  2. Step 2: Convert to fraction form
    520,110.34/780,250.89 = 160,281.25/x
  3. Step 3: Cross multiply
    520,110.34x = 780,250.89 × 160,281.25
  4. Step 4: Simplify right side
    520,110.34x = 125,059,591,002.15
  5. Step 5: Solve for x
    x = 125,059,591,002.15/520,110.34
  6. Step 6: Final answer
    x = 240,448.19

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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.