Home / 711,158.67-1,066,655.79-178,639.16

Finding the Fourth Proportional to 711,158.67, 1,066,655.79 and 178,639.16

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Solution

The fourth proportional to 711,158.67, 1,066,655.79 and 178,639.16 is: 267,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,158.67 : 1,066,655.79 = 178,639.16 : x
  2. Step 2: Convert to fraction form
    711,158.67/1,066,655.79 = 178,639.16/x
  3. Step 3: Cross multiply
    711,158.67x = 1,066,655.79 × 178,639.16
  4. Step 4: Simplify right side
    711,158.67x = 190,546,489,001.46
  5. Step 5: Solve for x
    x = 190,546,489,001.46/711,158.67
  6. Step 6: Final answer
    x = 267,938.08

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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.