Finding the Fourth Proportional to 288,590.99, 398,254.92 and 161,266.59
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Solution
The fourth proportional to 288,590.99, 398,254.92 and 161,266.59 is: 222,547.54
Step by Step Solution
- Step 1: Write the proportion equation
288,590.99 : 398,254.92 = 161,266.59 : x - Step 2: Convert to fraction form
288,590.99/398,254.92 = 161,266.59/x - Step 3: Cross multiply
288,590.99x = 398,254.92 × 161,266.59 - Step 4: Simplify right side
288,590.99x = 64,225,212,899.12 - Step 5: Solve for x
x = 64,225,212,899.12/288,590.99 - Step 6: Final answer
x = 222,547.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.