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Finding the Fourth Proportional to 268,229.53, 370,150.80 and 145,718.74

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Solution

The fourth proportional to 268,229.53, 370,150.80 and 145,718.74 is: 201,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,229.53 : 370,150.80 = 145,718.74 : x
  2. Step 2: Convert to fraction form
    268,229.53/370,150.80 = 145,718.74/x
  3. Step 3: Cross multiply
    268,229.53x = 370,150.80 × 145,718.74
  4. Step 4: Simplify right side
    268,229.53x = 53,937,908,465.98
  5. Step 5: Solve for x
    x = 53,937,908,465.98/268,229.53
  6. Step 6: Final answer
    x = 201,088.63

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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.