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Finding the Fourth Proportional to 302,407.98, 453,677.67 and 92,040.45

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Solution

The fourth proportional to 302,407.98, 453,677.67 and 92,040.45 is: 138,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,407.98 : 453,677.67 = 92,040.45 : x
  2. Step 2: Convert to fraction form
    302,407.98/453,677.67 = 92,040.45/x
  3. Step 3: Cross multiply
    302,407.98x = 453,677.67 × 92,040.45
  4. Step 4: Simplify right side
    302,407.98x = 41,756,696,901.75
  5. Step 5: Solve for x
    x = 41,756,696,901.75/302,407.98
  6. Step 6: Final answer
    x = 138,080.67

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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.