Finding the Fourth Proportional to 172,532.13, 238,088.49 and 97,066.05
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Solution
The fourth proportional to 172,532.13, 238,088.49 and 97,066.05 is: 133,947.86
Step by Step Solution
- Step 1: Write the proportion equation
172,532.13 : 238,088.49 = 97,066.05 : x - Step 2: Convert to fraction form
172,532.13/238,088.49 = 97,066.05/x - Step 3: Cross multiply
172,532.13x = 238,088.49 × 97,066.05 - Step 4: Simplify right side
172,532.13x = 23,110,309,274.76 - Step 5: Solve for x
x = 23,110,309,274.76/172,532.13 - Step 6: Final answer
x = 133,947.86
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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.