Finding the Fourth Proportional to 371,937.24, 558,143.46 and 135,257.40
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Solution
The fourth proportional to 371,937.24, 558,143.46 and 135,257.40 is: 202,972.50
Step by Step Solution
- Step 1: Write the proportion equation
371,937.24 : 558,143.46 = 135,257.40 : x - Step 2: Convert to fraction form
371,937.24/558,143.46 = 135,257.40/x - Step 3: Cross multiply
371,937.24x = 558,143.46 × 135,257.40 - Step 4: Simplify right side
371,937.24x = 75,493,033,226.60 - Step 5: Solve for x
x = 75,493,033,226.60/371,937.24 - Step 6: Final answer
x = 202,972.50
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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.