Finding the Fourth Proportional to 542,500.86, 812,154.99 and 362,138.94
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Solution
The fourth proportional to 542,500.86, 812,154.99 and 362,138.94 is: 542,142.82
Step by Step Solution
- Step 1: Write the proportion equation
542,500.86 : 812,154.99 = 362,138.94 : x - Step 2: Convert to fraction form
542,500.86/812,154.99 = 362,138.94/x - Step 3: Cross multiply
542,500.86x = 812,154.99 × 362,138.94 - Step 4: Simplify right side
542,500.86x = 294,112,947,194.31 - Step 5: Solve for x
x = 294,112,947,194.31/542,500.86 - Step 6: Final answer
x = 542,142.82
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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.