Finding the Fourth Proportional to 474,965.26, 712,449.32 and 115,134.68
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Solution
The fourth proportional to 474,965.26, 712,449.32 and 115,134.68 is: 172,702.37
Step by Step Solution
- Step 1: Write the proportion equation
474,965.26 : 712,449.32 = 115,134.68 : x - Step 2: Convert to fraction form
474,965.26/712,449.32 = 115,134.68/x - Step 3: Cross multiply
474,965.26x = 712,449.32 × 115,134.68 - Step 4: Simplify right side
474,965.26x = 82,027,625,679.87 - Step 5: Solve for x
x = 82,027,625,679.87/474,965.26 - Step 6: Final answer
x = 172,702.37
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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.