Home / 511,392.93-766,966.36-156,410.02

Finding the Fourth Proportional to 511,392.93, 766,966.36 and 156,410.02

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Solution

The fourth proportional to 511,392.93, 766,966.36 and 156,410.02 is: 234,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,392.93 : 766,966.36 = 156,410.02 : x
  2. Step 2: Convert to fraction form
    511,392.93/766,966.36 = 156,410.02/x
  3. Step 3: Cross multiply
    511,392.93x = 766,966.36 × 156,410.02
  4. Step 4: Simplify right side
    511,392.93x = 119,961,223,706.93
  5. Step 5: Solve for x
    x = 119,961,223,706.93/511,392.93
  6. Step 6: Final answer
    x = 234,577.40

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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.