Finding the Fourth Proportional to 168,381.13, 232,366.08 and 125,397.58
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Solution
The fourth proportional to 168,381.13, 232,366.08 and 125,397.58 is: 173,048.75
Step by Step Solution
- Step 1: Write the proportion equation
168,381.13 : 232,366.08 = 125,397.58 : x - Step 2: Convert to fraction form
168,381.13/232,366.08 = 125,397.58/x - Step 3: Cross multiply
168,381.13x = 232,366.08 × 125,397.58 - Step 4: Simplify right side
168,381.13x = 29,138,144,106.09 - Step 5: Solve for x
x = 29,138,144,106.09/168,381.13 - Step 6: Final answer
x = 173,048.75
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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.