Finding the Fourth Proportional to 781,337.12, 1,171,993.52 and 248,853.68
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Solution
The fourth proportional to 781,337.12, 1,171,993.52 and 248,853.68 is: 373,276.65
Step by Step Solution
- Step 1: Write the proportion equation
781,337.12 : 1,171,993.52 = 248,853.68 : x - Step 2: Convert to fraction form
781,337.12/1,171,993.52 = 248,853.68/x - Step 3: Cross multiply
781,337.12x = 1,171,993.52 × 248,853.68 - Step 4: Simplify right side
781,337.12x = 291,654,900,388.15 - Step 5: Solve for x
x = 291,654,900,388.15/781,337.12 - Step 6: Final answer
x = 373,276.65
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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.