Home / 340,545.44-510,799.12-103,869.52

Finding the Fourth Proportional to 340,545.44, 510,799.12 and 103,869.52

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Solution

The fourth proportional to 340,545.44, 510,799.12 and 103,869.52 is: 155,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,545.44 : 510,799.12 = 103,869.52 : x
  2. Step 2: Convert to fraction form
    340,545.44/510,799.12 = 103,869.52/x
  3. Step 3: Cross multiply
    340,545.44x = 510,799.12 × 103,869.52
  4. Step 4: Simplify right side
    340,545.44x = 53,056,459,410.82
  5. Step 5: Solve for x
    x = 53,056,459,410.82/340,545.44
  6. Step 6: Final answer
    x = 155,798.47

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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.