Finding the Fourth Proportional to 542,235.08, 813,454.92 and 205,376.60
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Solution
The fourth proportional to 542,235.08, 813,454.92 and 205,376.60 is: 308,103.65
Step by Step Solution
- Step 1: Write the proportion equation
542,235.08 : 813,454.92 = 205,376.60 : x - Step 2: Convert to fraction form
542,235.08/813,454.92 = 205,376.60/x - Step 3: Cross multiply
542,235.08x = 813,454.92 × 205,376.60 - Step 4: Simplify right side
542,235.08x = 167,064,605,722.87 - Step 5: Solve for x
x = 167,064,605,722.87/542,235.08 - Step 6: Final answer
x = 308,103.65
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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.