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Finding the Fourth Proportional to 302,824.90, 454,237.35 and 300,751.30

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Solution

The fourth proportional to 302,824.90, 454,237.35 and 300,751.30 is: 451,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,824.90 : 454,237.35 = 300,751.30 : x
  2. Step 2: Convert to fraction form
    302,824.90/454,237.35 = 300,751.30/x
  3. Step 3: Cross multiply
    302,824.90x = 454,237.35 × 300,751.30
  4. Step 4: Simplify right side
    302,824.90x = 136,612,473,521.06
  5. Step 5: Solve for x
    x = 136,612,473,521.06/302,824.90
  6. Step 6: Final answer
    x = 451,126.95

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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.