Finding the Fourth Proportional to 542,689.09, 813,867.02 and 375,285.17
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Solution
The fourth proportional to 542,689.09, 813,867.02 and 375,285.17 is: 562,812.54
Step by Step Solution
- Step 1: Write the proportion equation
542,689.09 : 813,867.02 = 375,285.17 : x - Step 2: Convert to fraction form
542,689.09/813,867.02 = 375,285.17/x - Step 3: Cross multiply
542,689.09x = 813,867.02 × 375,285.17 - Step 4: Simplify right side
542,689.09x = 305,432,222,958.09 - Step 5: Solve for x
x = 305,432,222,958.09/542,689.09 - Step 6: Final answer
x = 562,812.54
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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.