Finding the Fourth Proportional to 611,808.62, 917,713.19 and 232,641.75
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Solution
The fourth proportional to 611,808.62, 917,713.19 and 232,641.75 is: 348,962.72
Step by Step Solution
- Step 1: Write the proportion equation
611,808.62 : 917,713.19 = 232,641.75 : x - Step 2: Convert to fraction form
611,808.62/917,713.19 = 232,641.75/x - Step 3: Cross multiply
611,808.62x = 917,713.19 × 232,641.75 - Step 4: Simplify right side
611,808.62x = 213,498,398,799.51 - Step 5: Solve for x
x = 213,498,398,799.51/611,808.62 - Step 6: Final answer
x = 348,962.72
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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.