Finding the Fourth Proportional to 154,666.26, 232,026.93 and 79,766.17
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Solution
The fourth proportional to 154,666.26, 232,026.93 and 79,766.17 is: 119,663.45
Step by Step Solution
- Step 1: Write the proportion equation
154,666.26 : 232,026.93 = 79,766.17 : x - Step 2: Convert to fraction form
154,666.26/232,026.93 = 79,766.17/x - Step 3: Cross multiply
154,666.26x = 232,026.93 × 79,766.17 - Step 4: Simplify right side
154,666.26x = 18,507,898,962.89 - Step 5: Solve for x
x = 18,507,898,962.89/154,666.26 - Step 6: Final answer
x = 119,663.45
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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.