Home / 345,446.84-518,170.27-134,937.16

Finding the Fourth Proportional to 345,446.84, 518,170.27 and 134,937.16

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Solution

The fourth proportional to 345,446.84, 518,170.27 and 134,937.16 is: 202,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,446.84 : 518,170.27 = 134,937.16 : x
  2. Step 2: Convert to fraction form
    345,446.84/518,170.27 = 134,937.16/x
  3. Step 3: Cross multiply
    345,446.84x = 518,170.27 × 134,937.16
  4. Step 4: Simplify right side
    345,446.84x = 69,920,424,630.23
  5. Step 5: Solve for x
    x = 69,920,424,630.23/345,446.84
  6. Step 6: Final answer
    x = 202,405.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.