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Finding the Fourth Proportional to 303,287.60, 454,888.20 and 103,617.20

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Solution

The fourth proportional to 303,287.60, 454,888.20 and 103,617.20 is: 155,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,287.60 : 454,888.20 = 103,617.20 : x
  2. Step 2: Convert to fraction form
    303,287.60/454,888.20 = 103,617.20/x
  3. Step 3: Cross multiply
    303,287.60x = 454,888.20 × 103,617.20
  4. Step 4: Simplify right side
    303,287.60x = 47,134,241,597.04
  5. Step 5: Solve for x
    x = 47,134,241,597.04/303,287.60
  6. Step 6: Final answer
    x = 155,411.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.