Finding the Fourth Proportional to 592,329.21, 817,414.41 and 320,397.02
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Solution
The fourth proportional to 592,329.21, 817,414.41 and 320,397.02 is: 442,147.94
Step by Step Solution
- Step 1: Write the proportion equation
592,329.21 : 817,414.41 = 320,397.02 : x - Step 2: Convert to fraction form
592,329.21/817,414.41 = 320,397.02/x - Step 3: Cross multiply
592,329.21x = 817,414.41 × 320,397.02 - Step 4: Simplify right side
592,329.21x = 261,897,141,248.78 - Step 5: Solve for x
x = 261,897,141,248.78/592,329.21 - Step 6: Final answer
x = 442,147.94
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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.