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Finding the Fourth Proportional to 303,282.32, 454,925.30 and 134,763.03

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Solution

The fourth proportional to 303,282.32, 454,925.30 and 134,763.03 is: 202,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,282.32 : 454,925.30 = 134,763.03 : x
  2. Step 2: Convert to fraction form
    303,282.32/454,925.30 = 134,763.03/x
  3. Step 3: Cross multiply
    303,282.32x = 454,925.30 × 134,763.03
  4. Step 4: Simplify right side
    303,282.32x = 61,307,111,177.84
  5. Step 5: Solve for x
    x = 61,307,111,177.84/303,282.32
  6. Step 6: Final answer
    x = 202,145.35

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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.