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Finding the Fourth Proportional to 240,888.56, 332,417.39 and 138,918.32

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Solution

The fourth proportional to 240,888.56, 332,417.39 and 138,918.32 is: 191,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,888.56 : 332,417.39 = 138,918.32 : x
  2. Step 2: Convert to fraction form
    240,888.56/332,417.39 = 138,918.32/x
  3. Step 3: Cross multiply
    240,888.56x = 332,417.39 × 138,918.32
  4. Step 4: Simplify right side
    240,888.56x = 46,178,864,484.67
  5. Step 5: Solve for x
    x = 46,178,864,484.67/240,888.56
  6. Step 6: Final answer
    x = 191,702.19

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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.