Home / 315,461.32-473,260.02-90,820.24

Finding the Fourth Proportional to 315,461.32, 473,260.02 and 90,820.24

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Solution

The fourth proportional to 315,461.32, 473,260.02 and 90,820.24 is: 136,249.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,461.32 : 473,260.02 = 90,820.24 : x
  2. Step 2: Convert to fraction form
    315,461.32/473,260.02 = 90,820.24/x
  3. Step 3: Cross multiply
    315,461.32x = 473,260.02 × 90,820.24
  4. Step 4: Simplify right side
    315,461.32x = 42,981,588,598.80
  5. Step 5: Solve for x
    x = 42,981,588,598.80/315,461.32
  6. Step 6: Final answer
    x = 136,249.95

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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.