Finding the Fourth Proportional to 439,024.24, 658,649.69 and 135,411.57
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Solution
The fourth proportional to 439,024.24, 658,649.69 and 135,411.57 is: 203,152.31
Step by Step Solution
- Step 1: Write the proportion equation
439,024.24 : 658,649.69 = 135,411.57 : x - Step 2: Convert to fraction form
439,024.24/658,649.69 = 135,411.57/x - Step 3: Cross multiply
439,024.24x = 658,649.69 × 135,411.57 - Step 4: Simplify right side
439,024.24x = 89,188,788,602.91 - Step 5: Solve for x
x = 89,188,788,602.91/439,024.24 - Step 6: Final answer
x = 203,152.31
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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.