Finding the Fourth Proportional to 288,703.04, 398,424.02 and 159,639.26
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Solution
The fourth proportional to 288,703.04, 398,424.02 and 159,639.26 is: 220,309.82
Step by Step Solution
- Step 1: Write the proportion equation
288,703.04 : 398,424.02 = 159,639.26 : x - Step 2: Convert to fraction form
288,703.04/398,424.02 = 159,639.26/x - Step 3: Cross multiply
288,703.04x = 398,424.02 × 159,639.26 - Step 4: Simplify right side
288,703.04x = 63,604,112,928.71 - Step 5: Solve for x
x = 63,604,112,928.71/288,703.04 - Step 6: Final answer
x = 220,309.82
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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.