Home / 711,168.67-1,066,670.79-178,649.17

Finding the Fourth Proportional to 711,168.67, 1,066,670.79 and 178,649.17

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Solution

The fourth proportional to 711,168.67, 1,066,670.79 and 178,649.17 is: 267,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,168.67 : 1,066,670.79 = 178,649.17 : x
  2. Step 2: Convert to fraction form
    711,168.67/1,066,670.79 = 178,649.17/x
  3. Step 3: Cross multiply
    711,168.67x = 1,066,670.79 × 178,649.17
  4. Step 4: Simplify right side
    711,168.67x = 190,559,851,296.74
  5. Step 5: Solve for x
    x = 190,559,851,296.74/711,168.67
  6. Step 6: Final answer
    x = 267,953.10

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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.