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Finding the Fourth Proportional to 520,101.53, 780,155.27 and 160,267.67

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Solution

The fourth proportional to 520,101.53, 780,155.27 and 160,267.67 is: 240,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,101.53 : 780,155.27 = 160,267.67 : x
  2. Step 2: Convert to fraction form
    520,101.53/780,155.27 = 160,267.67/x
  3. Step 3: Cross multiply
    520,101.53x = 780,155.27 × 160,267.67
  4. Step 4: Simplify right side
    520,101.53x = 125,033,662,659.01
  5. Step 5: Solve for x
    x = 125,033,662,659.01/520,101.53
  6. Step 6: Final answer
    x = 240,402.42

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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.