Home / 379,851.40-569,566.75-155,369.47

Finding the Fourth Proportional to 379,851.40, 569,566.75 and 155,369.47

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Solution

The fourth proportional to 379,851.40, 569,566.75 and 155,369.47 is: 232,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,851.40 : 569,566.75 = 155,369.47 : x
  2. Step 2: Convert to fraction form
    379,851.40/569,566.75 = 155,369.47/x
  3. Step 3: Cross multiply
    379,851.40x = 569,566.75 × 155,369.47
  4. Step 4: Simplify right side
    379,851.40x = 88,493,284,077.12
  5. Step 5: Solve for x
    x = 88,493,284,077.12/379,851.40
  6. Step 6: Final answer
    x = 232,968.17

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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.