Finding the Fourth Proportional to 646,764.74, 970,147.17 and 247,527.98
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Solution
The fourth proportional to 646,764.74, 970,147.17 and 247,527.98 is: 371,291.99
Step by Step Solution
- Step 1: Write the proportion equation
646,764.74 : 970,147.17 = 247,527.98 : x - Step 2: Convert to fraction form
646,764.74/970,147.17 = 247,527.98/x - Step 3: Cross multiply
646,764.74x = 970,147.17 × 247,527.98 - Step 4: Simplify right side
646,764.74x = 240,138,569,292.82 - Step 5: Solve for x
x = 240,138,569,292.82/646,764.74 - Step 6: Final answer
x = 371,291.99
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Similar ratio
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1.5x scale
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.