Finding the Fourth Proportional to 493,307.18, 680,763.92 and 266,952.68
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Solution
The fourth proportional to 493,307.18, 680,763.92 and 266,952.68 is: 368,394.70
Step by Step Solution
- Step 1: Write the proportion equation
493,307.18 : 680,763.92 = 266,952.68 : x - Step 2: Convert to fraction form
493,307.18/680,763.92 = 266,952.68/x - Step 3: Cross multiply
493,307.18x = 680,763.92 × 266,952.68 - Step 4: Simplify right side
493,307.18x = 181,731,752,891.31 - Step 5: Solve for x
x = 181,731,752,891.31/493,307.18 - Step 6: Final answer
x = 368,394.70
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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.