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Finding the Fourth Proportional to 238,671.04, 329,284.08 and 147,994.40

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Solution

The fourth proportional to 238,671.04, 329,284.08 and 147,994.40 is: 204,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,671.04 : 329,284.08 = 147,994.40 : x
  2. Step 2: Convert to fraction form
    238,671.04/329,284.08 = 147,994.40/x
  3. Step 3: Cross multiply
    238,671.04x = 329,284.08 × 147,994.40
  4. Step 4: Simplify right side
    238,671.04x = 48,732,199,849.15
  5. Step 5: Solve for x
    x = 48,732,199,849.15/238,671.04
  6. Step 6: Final answer
    x = 204,181.45

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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.