Finding the Fourth Proportional to 542,462.06, 813,581.76 and 205,386.68
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Solution
The fourth proportional to 542,462.06, 813,581.76 and 205,386.68 is: 308,037.87
Step by Step Solution
- Step 1: Write the proportion equation
542,462.06 : 813,581.76 = 205,386.68 : x - Step 2: Convert to fraction form
542,462.06/813,581.76 = 205,386.68/x - Step 3: Cross multiply
542,462.06x = 813,581.76 × 205,386.68 - Step 4: Simplify right side
542,462.06x = 167,098,856,594.96 - Step 5: Solve for x
x = 167,098,856,594.96/542,462.06 - Step 6: Final answer
x = 308,037.87
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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.