Finding the Fourth Proportional to 502,111.18, 692,911.08 and 272,666.62
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Solution
The fourth proportional to 502,111.18, 692,911.08 and 272,666.62 is: 376,278.66
Step by Step Solution
- Step 1: Write the proportion equation
502,111.18 : 692,911.08 = 272,666.62 : x - Step 2: Convert to fraction form
502,111.18/692,911.08 = 272,666.62/x - Step 3: Cross multiply
502,111.18x = 692,911.08 × 272,666.62 - Step 4: Simplify right side
502,111.18x = 188,933,722,144.15 - Step 5: Solve for x
x = 188,933,722,144.15/502,111.18 - Step 6: Final answer
x = 376,278.66
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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.