Finding the Fourth Proportional to 148,321.18, 204,654.36 and 119,977.66
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Solution
The fourth proportional to 148,321.18, 204,654.36 and 119,977.66 is: 165,545.82
Step by Step Solution
- Step 1: Write the proportion equation
148,321.18 : 204,654.36 = 119,977.66 : x - Step 2: Convert to fraction form
148,321.18/204,654.36 = 119,977.66/x - Step 3: Cross multiply
148,321.18x = 204,654.36 × 119,977.66 - Step 4: Simplify right side
148,321.18x = 24,553,951,221.60 - Step 5: Solve for x
x = 24,553,951,221.60/148,321.18 - Step 6: Final answer
x = 165,545.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.