Finding the Fourth Proportional to 542,618.19, 813,816.45 and 205,542.63
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Solution
The fourth proportional to 542,618.19, 813,816.45 and 205,542.63 is: 308,271.96
Step by Step Solution
- Step 1: Write the proportion equation
542,618.19 : 813,816.45 = 205,542.63 : x - Step 2: Convert to fraction form
542,618.19/813,816.45 = 205,542.63/x - Step 3: Cross multiply
542,618.19x = 813,816.45 × 205,542.63 - Step 4: Simplify right side
542,618.19x = 167,273,973,470.26 - Step 5: Solve for x
x = 167,273,973,470.26/542,618.19 - Step 6: Final answer
x = 308,271.96
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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.