Finding the Fourth Proportional to 175,430.30, 242,121.09 and 115,175.70
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Solution
The fourth proportional to 175,430.30, 242,121.09 and 115,175.70 is: 158,960.38
Step by Step Solution
- Step 1: Write the proportion equation
175,430.30 : 242,121.09 = 115,175.70 : x - Step 2: Convert to fraction form
175,430.30/242,121.09 = 115,175.70/x - Step 3: Cross multiply
175,430.30x = 242,121.09 × 115,175.70 - Step 4: Simplify right side
175,430.30x = 27,886,466,025.51 - Step 5: Solve for x
x = 27,886,466,025.51/175,430.30 - Step 6: Final answer
x = 158,960.38
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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.