Finding the Fourth Proportional to 316,057.13, 474,086.14 and 129,068.63
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Solution
The fourth proportional to 316,057.13, 474,086.14 and 129,068.63 is: 193,603.12
Step by Step Solution
- Step 1: Write the proportion equation
316,057.13 : 474,086.14 = 129,068.63 : x - Step 2: Convert to fraction form
316,057.13/474,086.14 = 129,068.63/x - Step 3: Cross multiply
316,057.13x = 474,086.14 × 129,068.63 - Step 4: Simplify right side
316,057.13x = 61,189,646,705.36 - Step 5: Solve for x
x = 61,189,646,705.36/316,057.13 - Step 6: Final answer
x = 193,603.12
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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.