Home / 318,275.17-439,210.96-175,035.22

Finding the Fourth Proportional to 318,275.17, 439,210.96 and 175,035.22

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Solution

The fourth proportional to 318,275.17, 439,210.96 and 175,035.22 is: 241,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,275.17 : 439,210.96 = 175,035.22 : x
  2. Step 2: Convert to fraction form
    318,275.17/439,210.96 = 175,035.22/x
  3. Step 3: Cross multiply
    318,275.17x = 439,210.96 × 175,035.22
  4. Step 4: Simplify right side
    318,275.17x = 76,877,385,474.40
  5. Step 5: Solve for x
    x = 76,877,385,474.40/318,275.17
  6. Step 6: Final answer
    x = 241,543.78

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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.