Finding the Fourth Proportional to 316,320.12, 474,482.00 and 129,331.62
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Solution
The fourth proportional to 316,320.12, 474,482.00 and 129,331.62 is: 193,998.18
Step by Step Solution
- Step 1: Write the proportion equation
316,320.12 : 474,482.00 = 129,331.62 : x - Step 2: Convert to fraction form
316,320.12/474,482.00 = 129,331.62/x - Step 3: Cross multiply
316,320.12x = 474,482.00 × 129,331.62 - Step 4: Simplify right side
316,320.12x = 61,365,526,044.17 - Step 5: Solve for x
x = 61,365,526,044.17/316,320.12 - Step 6: Final answer
x = 193,998.18
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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.