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Finding the Fourth Proportional to 511,460.57, 767,221.57 and 156,477.67

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Solution

The fourth proportional to 511,460.57, 767,221.57 and 156,477.67 is: 234,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,460.57 : 767,221.57 = 156,477.67 : x
  2. Step 2: Convert to fraction form
    511,460.57/767,221.57 = 156,477.67/x
  3. Step 3: Cross multiply
    511,460.57x = 767,221.57 × 156,477.67
  4. Step 4: Simplify right side
    511,460.57x = 120,053,041,338.09
  5. Step 5: Solve for x
    x = 120,053,041,338.09/511,460.57
  6. Step 6: Final answer
    x = 234,725.90

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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.