Finding the Fourth Proportional to 516,034.13, 712,231.88 and 298,252.05
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Solution
The fourth proportional to 516,034.13, 712,231.88 and 298,252.05 is: 411,648.39
Step by Step Solution
- Step 1: Write the proportion equation
516,034.13 : 712,231.88 = 298,252.05 : x - Step 2: Convert to fraction form
516,034.13/712,231.88 = 298,252.05/x - Step 3: Cross multiply
516,034.13x = 712,231.88 × 298,252.05 - Step 4: Simplify right side
516,034.13x = 212,424,616,794.09 - Step 5: Solve for x
x = 212,424,616,794.09/516,034.13 - Step 6: Final answer
x = 411,648.39
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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.