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Finding the Fourth Proportional to 418,350.84, 577,307.90 and 227,360.13

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Solution

The fourth proportional to 418,350.84, 577,307.90 and 227,360.13 is: 313,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,350.84 : 577,307.90 = 227,360.13 : x
  2. Step 2: Convert to fraction form
    418,350.84/577,307.90 = 227,360.13/x
  3. Step 3: Cross multiply
    418,350.84x = 577,307.90 × 227,360.13
  4. Step 4: Simplify right side
    418,350.84x = 131,256,798,057.23
  5. Step 5: Solve for x
    x = 131,256,798,057.23/418,350.84
  6. Step 6: Final answer
    x = 313,748.14

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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.