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Finding the Fourth Proportional to 340,008.76, 510,007.38 and 118,387

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Solution

The fourth proportional to 340,008.76, 510,007.38 and 118,387 is: 177,578.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,008.76 : 510,007.38 = 118,387 : x
  2. Step 2: Convert to fraction form
    340,008.76/510,007.38 = 118,387/x
  3. Step 3: Cross multiply
    340,008.76x = 510,007.38 × 118,387
  4. Step 4: Simplify right side
    340,008.76x = 60,378,243,696.06
  5. Step 5: Solve for x
    x = 60,378,243,696.06/340,008.76
  6. Step 6: Final answer
    x = 177,578.49

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1.5x scale

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.