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Finding the Fourth Proportional to 268,449.08, 370,462.12 and 145,941.71

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Solution

The fourth proportional to 268,449.08, 370,462.12 and 145,941.71 is: 201,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,449.08 : 370,462.12 = 145,941.71 : x
  2. Step 2: Convert to fraction form
    268,449.08/370,462.12 = 145,941.71/x
  3. Step 3: Cross multiply
    268,449.08x = 370,462.12 × 145,941.71
  4. Step 4: Simplify right side
    268,449.08x = 54,065,873,065.86
  5. Step 5: Solve for x
    x = 54,065,873,065.86/268,449.08
  6. Step 6: Final answer
    x = 201,400.85

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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.