Finding the Fourth Proportional to 372,402.16, 558,519.08 and 106,156.96
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Solution
The fourth proportional to 372,402.16, 558,519.08 and 106,156.96 is: 159,211.45
Step by Step Solution
- Step 1: Write the proportion equation
372,402.16 : 558,519.08 = 106,156.96 : x - Step 2: Convert to fraction form
372,402.16/558,519.08 = 106,156.96/x - Step 3: Cross multiply
372,402.16x = 558,519.08 × 106,156.96 - Step 4: Simplify right side
372,402.16x = 59,290,687,634.80 - Step 5: Solve for x
x = 59,290,687,634.80/372,402.16 - Step 6: Final answer
x = 159,211.45
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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.