Finding the Fourth Proportional to 209,148.09, 288,666.27 and 124,248.75
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Solution
The fourth proportional to 209,148.09, 288,666.27 and 124,248.75 is: 171,488.17
Step by Step Solution
- Step 1: Write the proportion equation
209,148.09 : 288,666.27 = 124,248.75 : x - Step 2: Convert to fraction form
209,148.09/288,666.27 = 124,248.75/x - Step 3: Cross multiply
209,148.09x = 288,666.27 × 124,248.75 - Step 4: Simplify right side
209,148.09x = 35,866,423,214.66 - Step 5: Solve for x
x = 35,866,423,214.66/209,148.09 - Step 6: Final answer
x = 171,488.17
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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.