Home / 318,946.14-440,151.30-175,705.20

Finding the Fourth Proportional to 318,946.14, 440,151.30 and 175,705.20

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Solution

The fourth proportional to 318,946.14, 440,151.30 and 175,705.20 is: 242,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,946.14 : 440,151.30 = 175,705.20 : x
  2. Step 2: Convert to fraction form
    318,946.14/440,151.30 = 175,705.20/x
  3. Step 3: Cross multiply
    318,946.14x = 440,151.30 × 175,705.20
  4. Step 4: Simplify right side
    318,946.14x = 77,336,872,196.76
  5. Step 5: Solve for x
    x = 77,336,872,196.76/318,946.14
  6. Step 6: Final answer
    x = 242,476.28

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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.