Home / 340,384.87-510,577.35-103,727.71

Finding the Fourth Proportional to 340,384.87, 510,577.35 and 103,727.71

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Solution

The fourth proportional to 340,384.87, 510,577.35 and 103,727.71 is: 155,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,384.87 : 510,577.35 = 103,727.71 : x
  2. Step 2: Convert to fraction form
    340,384.87/510,577.35 = 103,727.71/x
  3. Step 3: Cross multiply
    340,384.87x = 510,577.35 × 103,727.71
  4. Step 4: Simplify right side
    340,384.87x = 52,961,019,293.37
  5. Step 5: Solve for x
    x = 52,961,019,293.37/340,384.87
  6. Step 6: Final answer
    x = 155,591.58

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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.