Finding the Fourth Proportional to 175,943.20, 242,677.20 and 107,963.68
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Solution
The fourth proportional to 175,943.20, 242,677.20 and 107,963.68 is: 148,913.53
Step by Step Solution
- Step 1: Write the proportion equation
175,943.20 : 242,677.20 = 107,963.68 : x - Step 2: Convert to fraction form
175,943.20/242,677.20 = 107,963.68/x - Step 3: Cross multiply
175,943.20x = 242,677.20 × 107,963.68 - Step 4: Simplify right side
175,943.20x = 26,200,323,564.10 - Step 5: Solve for x
x = 26,200,323,564.10/175,943.20 - Step 6: Final answer
x = 148,913.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.