Finding the Fourth Proportional to 577,294.20, 865,961.10 and 177,931.80
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Solution
The fourth proportional to 577,294.20, 865,961.10 and 177,931.80 is: 266,903.80
Step by Step Solution
- Step 1: Write the proportion equation
577,294.20 : 865,961.10 = 177,931.80 : x - Step 2: Convert to fraction form
577,294.20/865,961.10 = 177,931.80/x - Step 3: Cross multiply
577,294.20x = 865,961.10 × 177,931.80 - Step 4: Simplify right side
577,294.20x = 154,082,017,252.98 - Step 5: Solve for x
x = 154,082,017,252.98/577,294.20 - Step 6: Final answer
x = 266,903.80
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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.