Home / 315,512.04-473,406.30-165,717.66

Finding the Fourth Proportional to 315,512.04, 473,406.30 and 165,717.66

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Solution

The fourth proportional to 315,512.04, 473,406.30 and 165,717.66 is: 248,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,512.04 : 473,406.30 = 165,717.66 : x
  2. Step 2: Convert to fraction form
    315,512.04/473,406.30 = 165,717.66/x
  3. Step 3: Cross multiply
    315,512.04x = 473,406.30 × 165,717.66
  4. Step 4: Simplify right side
    315,512.04x = 78,451,784,265.26
  5. Step 5: Solve for x
    x = 78,451,784,265.26/315,512.04
  6. Step 6: Final answer
    x = 248,649.10

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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.