Home / 390,772.22-586,151.93-124,529.18

Finding the Fourth Proportional to 390,772.22, 586,151.93 and 124,529.18

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Solution

The fourth proportional to 390,772.22, 586,151.93 and 124,529.18 is: 186,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,772.22 : 586,151.93 = 124,529.18 : x
  2. Step 2: Convert to fraction form
    390,772.22/586,151.93 = 124,529.18/x
  3. Step 3: Cross multiply
    390,772.22x = 586,151.93 × 124,529.18
  4. Step 4: Simplify right side
    390,772.22x = 72,993,019,198.32
  5. Step 5: Solve for x
    x = 72,993,019,198.32/390,772.22
  6. Step 6: Final answer
    x = 186,791.73

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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.