Finding the Fourth Proportional to 288,948.24, 398,726.84 and 161,599.20
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Solution
The fourth proportional to 288,948.24, 398,726.84 and 161,599.20 is: 222,994.74
Step by Step Solution
- Step 1: Write the proportion equation
288,948.24 : 398,726.84 = 161,599.20 : x - Step 2: Convert to fraction form
288,948.24/398,726.84 = 161,599.20/x - Step 3: Cross multiply
288,948.24x = 398,726.84 × 161,599.20 - Step 4: Simplify right side
288,948.24x = 64,433,938,362.53 - Step 5: Solve for x
x = 64,433,938,362.53/288,948.24 - Step 6: Final answer
x = 222,994.74
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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.