Home / 318,276.16-439,212.33-175,036.20

Finding the Fourth Proportional to 318,276.16, 439,212.33 and 175,036.20

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Solution

The fourth proportional to 318,276.16, 439,212.33 and 175,036.20 is: 241,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,276.16 : 439,212.33 = 175,036.20 : x
  2. Step 2: Convert to fraction form
    318,276.16/439,212.33 = 175,036.20/x
  3. Step 3: Cross multiply
    318,276.16x = 439,212.33 × 175,036.20
  4. Step 4: Simplify right side
    318,276.16x = 76,878,057,236.35
  5. Step 5: Solve for x
    x = 76,878,057,236.35/318,276.16
  6. Step 6: Final answer
    x = 241,545.13

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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.