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Finding the Fourth Proportional to 302,102.58, 453,202.83 and 99,638.22

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Solution

The fourth proportional to 302,102.58, 453,202.83 and 99,638.22 is: 149,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,102.58 : 453,202.83 = 99,638.22 : x
  2. Step 2: Convert to fraction form
    302,102.58/453,202.83 = 99,638.22/x
  3. Step 3: Cross multiply
    302,102.58x = 453,202.83 × 99,638.22
  4. Step 4: Simplify right side
    302,102.58x = 45,156,323,280.16
  5. Step 5: Solve for x
    x = 45,156,323,280.16/302,102.58
  6. Step 6: Final answer
    x = 149,473.48

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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.