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Finding the Fourth Proportional to 315,210.03, 435,002.04 and 179,256.39

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Solution

The fourth proportional to 315,210.03, 435,002.04 and 179,256.39 is: 247,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,210.03 : 435,002.04 = 179,256.39 : x
  2. Step 2: Convert to fraction form
    315,210.03/435,002.04 = 179,256.39/x
  3. Step 3: Cross multiply
    315,210.03x = 435,002.04 × 179,256.39
  4. Step 4: Simplify right side
    315,210.03x = 77,976,895,333.04
  5. Step 5: Solve for x
    x = 77,976,895,333.04/315,210.03
  6. Step 6: Final answer
    x = 247,380.76

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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.