Finding the Fourth Proportional to 198,789.05, 297,966.71 and 97,656.71
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Solution
The fourth proportional to 198,789.05, 297,966.71 and 97,656.71 is: 146,378.52
Step by Step Solution
- Step 1: Write the proportion equation
198,789.05 : 297,966.71 = 97,656.71 : x - Step 2: Convert to fraction form
198,789.05/297,966.71 = 97,656.71/x - Step 3: Cross multiply
198,789.05x = 297,966.71 × 97,656.71 - Step 4: Simplify right side
198,789.05x = 29,098,447,342.43 - Step 5: Solve for x
x = 29,098,447,342.43/198,789.05 - Step 6: Final answer
x = 146,378.52
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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.