Finding the Fourth Proportional to 406,000.10, 608,723.35 and 205,934.70
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Solution
The fourth proportional to 406,000.10, 608,723.35 and 205,934.70 is: 308,761.65
Step by Step Solution
- Step 1: Write the proportion equation
406,000.10 : 608,723.35 = 205,934.70 : x - Step 2: Convert to fraction form
406,000.10/608,723.35 = 205,934.70/x - Step 3: Cross multiply
406,000.10x = 608,723.35 × 205,934.70 - Step 4: Simplify right side
406,000.10x = 125,357,259,950.41 - Step 5: Solve for x
x = 125,357,259,950.41/406,000.10 - Step 6: Final answer
x = 308,761.65
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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.