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Finding the Fourth Proportional to 340,175.29, 510,262.95 and 103,585.63

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Solution

The fourth proportional to 340,175.29, 510,262.95 and 103,585.63 is: 155,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,175.29 : 510,262.95 = 103,585.63 : x
  2. Step 2: Convert to fraction form
    340,175.29/510,262.95 = 103,585.63/x
  3. Step 3: Cross multiply
    340,175.29x = 510,262.95 × 103,585.63
  4. Step 4: Simplify right side
    340,175.29x = 52,855,910,167.68
  5. Step 5: Solve for x
    x = 52,855,910,167.68/340,175.29
  6. Step 6: Final answer
    x = 155,378.45

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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.