Finding the Fourth Proportional to 389,948.88, 584,961.84 and 162,197.76
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Solution
The fourth proportional to 389,948.88, 584,961.84 and 162,197.76 is: 243,312.66
Step by Step Solution
- Step 1: Write the proportion equation
389,948.88 : 584,961.84 = 162,197.76 : x - Step 2: Convert to fraction form
389,948.88/584,961.84 = 162,197.76/x - Step 3: Cross multiply
389,948.88x = 584,961.84 × 162,197.76 - Step 4: Simplify right side
389,948.88x = 94,879,500,133.48 - Step 5: Solve for x
x = 94,879,500,133.48/389,948.88 - Step 6: Final answer
x = 243,312.66
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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.