Finding the Fourth Proportional to 397,631.70, 596,447.55 and 240,167.70
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Solution
The fourth proportional to 397,631.70, 596,447.55 and 240,167.70 is: 360,251.55
Step by Step Solution
- Step 1: Write the proportion equation
397,631.70 : 596,447.55 = 240,167.70 : x - Step 2: Convert to fraction form
397,631.70/596,447.55 = 240,167.70/x - Step 3: Cross multiply
397,631.70x = 596,447.55 × 240,167.70 - Step 4: Simplify right side
397,631.70x = 143,247,436,254.14 - Step 5: Solve for x
x = 143,247,436,254.14/397,631.70 - Step 6: Final answer
x = 360,251.55
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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.