Finding the Fourth Proportional to 371,934.24, 558,138.96 and 135,254.40
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Solution
The fourth proportional to 371,934.24, 558,138.96 and 135,254.40 is: 202,968.00
Step by Step Solution
- Step 1: Write the proportion equation
371,934.24 : 558,138.96 = 135,254.40 : x - Step 2: Convert to fraction form
371,934.24/558,138.96 = 135,254.40/x - Step 3: Cross multiply
371,934.24x = 558,138.96 × 135,254.40 - Step 4: Simplify right side
371,934.24x = 75,490,750,151.42 - Step 5: Solve for x
x = 75,490,750,151.42/371,934.24 - Step 6: Final answer
x = 202,968.00
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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.