Finding the Fourth Proportional to 542,352.29, 813,536.96 and 205,302.44
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Solution
The fourth proportional to 542,352.29, 813,536.96 and 205,302.44 is: 307,956.89
Step by Step Solution
- Step 1: Write the proportion equation
542,352.29 : 813,536.96 = 205,302.44 : x - Step 2: Convert to fraction form
542,352.29/813,536.96 = 205,302.44/x - Step 3: Cross multiply
542,352.29x = 813,536.96 × 205,302.44 - Step 4: Simplify right side
542,352.29x = 167,021,123,925.51 - Step 5: Solve for x
x = 167,021,123,925.51/542,352.29 - Step 6: Final answer
x = 307,956.89
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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.