Home / 268,155.52-370,044.48-148,931.20

Finding the Fourth Proportional to 268,155.52, 370,044.48 and 148,931.20

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Solution

The fourth proportional to 268,155.52, 370,044.48 and 148,931.20 is: 205,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,155.52 : 370,044.48 = 148,931.20 : x
  2. Step 2: Convert to fraction form
    268,155.52/370,044.48 = 148,931.20/x
  3. Step 3: Cross multiply
    268,155.52x = 370,044.48 × 148,931.20
  4. Step 4: Simplify right side
    268,155.52x = 55,111,168,459.78
  5. Step 5: Solve for x
    x = 55,111,168,459.78/268,155.52
  6. Step 6: Final answer
    x = 205,519.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.