Finding the Fourth Proportional to 239,552.68, 359,347.32 and 139,722.88
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Solution
The fourth proportional to 239,552.68, 359,347.32 and 139,722.88 is: 209,594.99
Step by Step Solution
- Step 1: Write the proportion equation
239,552.68 : 359,347.32 = 139,722.88 : x - Step 2: Convert to fraction form
239,552.68/359,347.32 = 139,722.88/x - Step 3: Cross multiply
239,552.68x = 359,347.32 × 139,722.88 - Step 4: Simplify right side
239,552.68x = 50,209,042,470.68 - Step 5: Solve for x
x = 50,209,042,470.68/239,552.68 - Step 6: Final answer
x = 209,594.99
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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.