Finding the Fourth Proportional to 288,168.38, 432,252.12 and 160,166.06
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Solution
The fourth proportional to 288,168.38, 432,252.12 and 160,166.06 is: 240,248.84
Step by Step Solution
- Step 1: Write the proportion equation
288,168.38 : 432,252.12 = 160,166.06 : x - Step 2: Convert to fraction form
288,168.38/432,252.12 = 160,166.06/x - Step 3: Cross multiply
288,168.38x = 432,252.12 × 160,166.06 - Step 4: Simplify right side
288,168.38x = 69,232,118,987.05 - Step 5: Solve for x
x = 69,232,118,987.05/288,168.38 - Step 6: Final answer
x = 240,248.84
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1.5x scale
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.