Finding the Fourth Proportional to 467,641.08, 645,344.55 and 252,781.02
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Solution
The fourth proportional to 467,641.08, 645,344.55 and 252,781.02 is: 348,837.73
Step by Step Solution
- Step 1: Write the proportion equation
467,641.08 : 645,344.55 = 252,781.02 : x - Step 2: Convert to fraction form
467,641.08/645,344.55 = 252,781.02/x - Step 3: Cross multiply
467,641.08x = 645,344.55 × 252,781.02 - Step 4: Simplify right side
467,641.08x = 163,130,853,600.44 - Step 5: Solve for x
x = 163,130,853,600.44/467,641.08 - Step 6: Final answer
x = 348,837.73
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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.