Finding the Fourth Proportional to 381,386.06, 572,164.14 and 125,230.04
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Solution
The fourth proportional to 381,386.06, 572,164.14 and 125,230.04 is: 187,872.99
Step by Step Solution
- Step 1: Write the proportion equation
381,386.06 : 572,164.14 = 125,230.04 : x - Step 2: Convert to fraction form
381,386.06/572,164.14 = 125,230.04/x - Step 3: Cross multiply
381,386.06x = 572,164.14 × 125,230.04 - Step 4: Simplify right side
381,386.06x = 71,652,138,138.77 - Step 5: Solve for x
x = 71,652,138,138.77/381,386.06 - Step 6: Final answer
x = 187,872.99
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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.