Finding the Fourth Proportional to 506,286.27, 698,654.12 and 291,433.95
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Solution
The fourth proportional to 506,286.27, 698,654.12 and 291,433.95 is: 402,166.80
Step by Step Solution
- Step 1: Write the proportion equation
506,286.27 : 698,654.12 = 291,433.95 : x - Step 2: Convert to fraction form
506,286.27/698,654.12 = 291,433.95/x - Step 3: Cross multiply
506,286.27x = 698,654.12 × 291,433.95 - Step 4: Simplify right side
506,286.27x = 203,611,528,418.20 - Step 5: Solve for x
x = 203,611,528,418.20/506,286.27 - Step 6: Final answer
x = 402,166.80
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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.