Home / 268,120.79-370,011.15-147,273.26

Finding the Fourth Proportional to 268,120.79, 370,011.15 and 147,273.26

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Solution

The fourth proportional to 268,120.79, 370,011.15 and 147,273.26 is: 203,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,120.79 : 370,011.15 = 147,273.26 : x
  2. Step 2: Convert to fraction form
    268,120.79/370,011.15 = 147,273.26/x
  3. Step 3: Cross multiply
    268,120.79x = 370,011.15 × 147,273.26
  4. Step 4: Simplify right side
    268,120.79x = 54,492,748,296.85
  5. Step 5: Solve for x
    x = 54,492,748,296.85/268,120.79
  6. Step 6: Final answer
    x = 203,239.55

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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.