Finding the Fourth Proportional to 389,444.08, 584,170.80 and 136,730.92
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Solution
The fourth proportional to 389,444.08, 584,170.80 and 136,730.92 is: 205,098.02
Step by Step Solution
- Step 1: Write the proportion equation
389,444.08 : 584,170.80 = 136,730.92 : x - Step 2: Convert to fraction form
389,444.08/584,170.80 = 136,730.92/x - Step 3: Cross multiply
389,444.08x = 584,170.80 × 136,730.92 - Step 4: Simplify right side
389,444.08x = 79,874,210,921.14 - Step 5: Solve for x
x = 79,874,210,921.14/389,444.08 - Step 6: Final answer
x = 205,098.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.