Finding the Fourth Proportional to 865,728.17, 1,298,592.27 and 234,641.99
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Solution
The fourth proportional to 865,728.17, 1,298,592.27 and 234,641.99 is: 351,962.98
Step by Step Solution
- Step 1: Write the proportion equation
865,728.17 : 1,298,592.27 = 234,641.99 : x - Step 2: Convert to fraction form
865,728.17/1,298,592.27 = 234,641.99/x - Step 3: Cross multiply
865,728.17x = 1,298,592.27 × 234,641.99 - Step 4: Simplify right side
865,728.17x = 304,704,267,938.46 - Step 5: Solve for x
x = 304,704,267,938.46/865,728.17 - Step 6: Final answer
x = 351,962.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.