Home / 512,834.69-769,261.98-157,848.38

Finding the Fourth Proportional to 512,834.69, 769,261.98 and 157,848.38

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Solution

The fourth proportional to 512,834.69, 769,261.98 and 157,848.38 is: 236,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,834.69 : 769,261.98 = 157,848.38 : x
  2. Step 2: Convert to fraction form
    512,834.69/769,261.98 = 157,848.38/x
  3. Step 3: Cross multiply
    512,834.69x = 769,261.98 × 157,848.38
  4. Step 4: Simplify right side
    512,834.69x = 121,426,753,492.28
  5. Step 5: Solve for x
    x = 121,426,753,492.28/512,834.69
  6. Step 6: Final answer
    x = 236,775.63

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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.