Finding the Fourth Proportional to 370,132.80, 555,116.08 and 170,261.20
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Solution
The fourth proportional to 370,132.80, 555,116.08 and 170,261.20 is: 255,353.56
Step by Step Solution
- Step 1: Write the proportion equation
370,132.80 : 555,116.08 = 170,261.20 : x - Step 2: Convert to fraction form
370,132.80/555,116.08 = 170,261.20/x - Step 3: Cross multiply
370,132.80x = 555,116.08 × 170,261.20 - Step 4: Simplify right side
370,132.80x = 94,514,729,920.10 - Step 5: Solve for x
x = 94,514,729,920.10/370,132.80 - Step 6: Final answer
x = 255,353.56
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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.