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Finding the Fourth Proportional to 302,292.74, 453,346.13 and 99,852.48

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Solution

The fourth proportional to 302,292.74, 453,346.13 and 99,852.48 is: 149,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,292.74 : 453,346.13 = 99,852.48 : x
  2. Step 2: Convert to fraction form
    302,292.74/453,346.13 = 99,852.48/x
  3. Step 3: Cross multiply
    302,292.74x = 453,346.13 × 99,852.48
  4. Step 4: Simplify right side
    302,292.74x = 45,267,735,628.53
  5. Step 5: Solve for x
    x = 45,267,735,628.53/302,292.74
  6. Step 6: Final answer
    x = 149,748.01

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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.