Finding the Fourth Proportional to 175,478.09, 242,159.76 and 94,905.62
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Solution
The fourth proportional to 175,478.09, 242,159.76 and 94,905.62 is: 130,969.74
Step by Step Solution
- Step 1: Write the proportion equation
175,478.09 : 242,159.76 = 94,905.62 : x - Step 2: Convert to fraction form
175,478.09/242,159.76 = 94,905.62/x - Step 3: Cross multiply
175,478.09x = 242,159.76 × 94,905.62 - Step 4: Simplify right side
175,478.09x = 22,982,320,951.05 - Step 5: Solve for x
x = 22,982,320,951.05/175,478.09 - Step 6: Final answer
x = 130,969.74
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1.5x scale
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.