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Finding the Fourth Proportional to 370,079.28, 510,718.80 and 226,918.24

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Solution

The fourth proportional to 370,079.28, 510,718.80 and 226,918.24 is: 313,152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,079.28 : 510,718.80 = 226,918.24 : x
  2. Step 2: Convert to fraction form
    370,079.28/510,718.80 = 226,918.24/x
  3. Step 3: Cross multiply
    370,079.28x = 510,718.80 × 226,918.24
  4. Step 4: Simplify right side
    370,079.28x = 115,891,411,230.91
  5. Step 5: Solve for x
    x = 115,891,411,230.91/370,079.28
  6. Step 6: Final answer
    x = 313,152.93

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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.