Finding the Fourth Proportional to 498,381.59, 687,766.59 and 272,027.09
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Solution
The fourth proportional to 498,381.59, 687,766.59 and 272,027.09 is: 375,397.38
Step by Step Solution
- Step 1: Write the proportion equation
498,381.59 : 687,766.59 = 272,027.09 : x - Step 2: Convert to fraction form
498,381.59/687,766.59 = 272,027.09/x - Step 3: Cross multiply
498,381.59x = 687,766.59 × 272,027.09 - Step 4: Simplify right side
498,381.59x = 187,091,140,638.09 - Step 5: Solve for x
x = 187,091,140,638.09/498,381.59 - Step 6: Final answer
x = 375,397.38
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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.