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Finding the Fourth Proportional to 259,312.04, 357,850.08 and 140,080.04

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Solution

The fourth proportional to 259,312.04, 357,850.08 and 140,080.04 is: 193,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,312.04 : 357,850.08 = 140,080.04 : x
  2. Step 2: Convert to fraction form
    259,312.04/357,850.08 = 140,080.04/x
  3. Step 3: Cross multiply
    259,312.04x = 357,850.08 × 140,080.04
  4. Step 4: Simplify right side
    259,312.04x = 50,127,653,520.40
  5. Step 5: Solve for x
    x = 50,127,653,520.40/259,312.04
  6. Step 6: Final answer
    x = 193,310.17

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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.