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Finding the Fourth Proportional to 511,267.56, 766,903.32 and 156,280.20

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Solution

The fourth proportional to 511,267.56, 766,903.32 and 156,280.20 is: 234,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,267.56 : 766,903.32 = 156,280.20 : x
  2. Step 2: Convert to fraction form
    511,267.56/766,903.32 = 156,280.20/x
  3. Step 3: Cross multiply
    511,267.56x = 766,903.32 × 156,280.20
  4. Step 4: Simplify right side
    511,267.56x = 119,851,804,230.26
  5. Step 5: Solve for x
    x = 119,851,804,230.26/511,267.56
  6. Step 6: Final answer
    x = 234,420.91

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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.