Finding the Fourth Proportional to 172,985.62, 238,720.04 and 93,497.62
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Solution
The fourth proportional to 172,985.62, 238,720.04 and 93,497.62 is: 129,026.65
Step by Step Solution
- Step 1: Write the proportion equation
172,985.62 : 238,720.04 = 93,497.62 : x - Step 2: Convert to fraction form
172,985.62/238,720.04 = 93,497.62/x - Step 3: Cross multiply
172,985.62x = 238,720.04 × 93,497.62 - Step 4: Simplify right side
172,985.62x = 22,319,755,586.30 - Step 5: Solve for x
x = 22,319,755,586.30/172,985.62 - Step 6: Final answer
x = 129,026.65
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1.5x scale
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.