Home / 520,110.28-780,250.80-160,281.19

Finding the Fourth Proportional to 520,110.28, 780,250.80 and 160,281.19

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Solution

The fourth proportional to 520,110.28, 780,250.80 and 160,281.19 is: 240,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,110.28 : 780,250.80 = 160,281.19 : x
  2. Step 2: Convert to fraction form
    520,110.28/780,250.80 = 160,281.19/x
  3. Step 3: Cross multiply
    520,110.28x = 780,250.80 × 160,281.19
  4. Step 4: Simplify right side
    520,110.28x = 125,059,526,722.45
  5. Step 5: Solve for x
    x = 125,059,526,722.45/520,110.28
  6. Step 6: Final answer
    x = 240,448.10

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1.5x scale

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.