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Finding the Fourth Proportional to 268,307.76, 370,246.81 and 147,446.45

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Solution

The fourth proportional to 268,307.76, 370,246.81 and 147,446.45 is: 203,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,307.76 : 370,246.81 = 147,446.45 : x
  2. Step 2: Convert to fraction form
    268,307.76/370,246.81 = 147,446.45/x
  3. Step 3: Cross multiply
    268,307.76x = 370,246.81 × 147,446.45
  4. Step 4: Simplify right side
    268,307.76x = 54,591,577,758.32
  5. Step 5: Solve for x
    x = 54,591,577,758.32/268,307.76
  6. Step 6: Final answer
    x = 203,466.26

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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.