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Finding the Fourth Proportional to 303,017.32, 454,659.87 and 158,888.72

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Solution

The fourth proportional to 303,017.32, 454,659.87 and 158,888.72 is: 238,403.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,017.32 : 454,659.87 = 158,888.72 : x
  2. Step 2: Convert to fraction form
    303,017.32/454,659.87 = 158,888.72/x
  3. Step 3: Cross multiply
    303,017.32x = 454,659.87 × 158,888.72
  4. Step 4: Simplify right side
    303,017.32x = 72,240,326,512.15
  5. Step 5: Solve for x
    x = 72,240,326,512.15/303,017.32
  6. Step 6: Final answer
    x = 238,403.29

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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.