Finding the Fourth Proportional to 284,199.93, 392,207.27 and 156,871.17
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Solution
The fourth proportional to 284,199.93, 392,207.27 and 156,871.17 is: 216,488.49
Step by Step Solution
- Step 1: Write the proportion equation
284,199.93 : 392,207.27 = 156,871.17 : x - Step 2: Convert to fraction form
284,199.93/392,207.27 = 156,871.17/x - Step 3: Cross multiply
284,199.93x = 392,207.27 × 156,871.17 - Step 4: Simplify right side
284,199.93x = 61,526,012,543.05 - Step 5: Solve for x
x = 61,526,012,543.05/284,199.93 - Step 6: Final answer
x = 216,488.49
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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.