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Finding the Fourth Proportional to 240,920.52, 332,461.35 and 138,950.25

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Solution

The fourth proportional to 240,920.52, 332,461.35 and 138,950.25 is: 191,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,920.52 : 332,461.35 = 138,950.25 : x
  2. Step 2: Convert to fraction form
    240,920.52/332,461.35 = 138,950.25/x
  3. Step 3: Cross multiply
    240,920.52x = 332,461.35 × 138,950.25
  4. Step 4: Simplify right side
    240,920.52x = 46,195,587,697.84
  5. Step 5: Solve for x
    x = 46,195,587,697.84/240,920.52
  6. Step 6: Final answer
    x = 191,746.17

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1.5x scale

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.