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Finding the Fourth Proportional to 240,459, 331,848.78 and 134,475

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Solution

The fourth proportional to 240,459, 331,848.78 and 134,475 is: 185,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,459 : 331,848.78 = 134,475 : x
  2. Step 2: Convert to fraction form
    240,459/331,848.78 = 134,475/x
  3. Step 3: Cross multiply
    240,459x = 331,848.78 × 134,475
  4. Step 4: Simplify right side
    240,459x = 44,625,364,690.50
  5. Step 5: Solve for x
    x = 44,625,364,690.50/240,459
  6. Step 6: Final answer
    x = 185,584.09

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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.