Home / 340,314.22-510,545.13-103,650.70

Finding the Fourth Proportional to 340,314.22, 510,545.13 and 103,650.70

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Solution

The fourth proportional to 340,314.22, 510,545.13 and 103,650.70 is: 155,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,314.22 : 510,545.13 = 103,650.70 : x
  2. Step 2: Convert to fraction form
    340,314.22/510,545.13 = 103,650.70/x
  3. Step 3: Cross multiply
    340,314.22x = 510,545.13 × 103,650.70
  4. Step 4: Simplify right side
    340,314.22x = 52,918,360,106.09
  5. Step 5: Solve for x
    x = 52,918,360,106.09/340,314.22
  6. Step 6: Final answer
    x = 155,498.53

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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.