Finding the Fourth Proportional to 542,412.24, 813,581.88 and 187,431.12
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Solution
The fourth proportional to 542,412.24, 813,581.88 and 187,431.12 is: 281,134.07
Step by Step Solution
- Step 1: Write the proportion equation
542,412.24 : 813,581.88 = 187,431.12 : x - Step 2: Convert to fraction form
542,412.24/813,581.88 = 187,431.12/x - Step 3: Cross multiply
542,412.24x = 813,581.88 × 187,431.12 - Step 4: Simplify right side
542,412.24x = 152,490,562,980.11 - Step 5: Solve for x
x = 152,490,562,980.11/542,412.24 - Step 6: Final answer
x = 281,134.07
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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.