Finding the Fourth Proportional to 542,442.49, 813,669.88 and 205,391.62
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Solution
The fourth proportional to 542,442.49, 813,669.88 and 205,391.62 is: 308,089.75
Step by Step Solution
- Step 1: Write the proportion equation
542,442.49 : 813,669.88 = 205,391.62 : x - Step 2: Convert to fraction form
542,442.49/813,669.88 = 205,391.62/x - Step 3: Cross multiply
542,442.49x = 813,669.88 × 205,391.62 - Step 4: Simplify right side
542,442.49x = 167,120,970,730.06 - Step 5: Solve for x
x = 167,120,970,730.06/542,442.49 - Step 6: Final answer
x = 308,089.75
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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.