Home / 239,345.74-358,988.76-70,862.45

Finding the Fourth Proportional to 239,345.74, 358,988.76 and 70,862.45

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Solution

The fourth proportional to 239,345.74, 358,988.76 and 70,862.45 is: 106,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,345.74 : 358,988.76 = 70,862.45 : x
  2. Step 2: Convert to fraction form
    239,345.74/358,988.76 = 70,862.45/x
  3. Step 3: Cross multiply
    239,345.74x = 358,988.76 × 70,862.45
  4. Step 4: Simplify right side
    239,345.74x = 25,438,821,261.12
  5. Step 5: Solve for x
    x = 25,438,821,261.12/239,345.74
  6. Step 6: Final answer
    x = 106,284.83

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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.