Finding the Fourth Proportional to 172,374.18, 237,882.06 and 104,403.84
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Solution
The fourth proportional to 172,374.18, 237,882.06 and 104,403.84 is: 144,080.75
Step by Step Solution
- Step 1: Write the proportion equation
172,374.18 : 237,882.06 = 104,403.84 : x - Step 2: Convert to fraction form
172,374.18/237,882.06 = 104,403.84/x - Step 3: Cross multiply
172,374.18x = 237,882.06 × 104,403.84 - Step 4: Simplify right side
172,374.18x = 24,835,800,531.11 - Step 5: Solve for x
x = 24,835,800,531.11/172,374.18 - Step 6: Final answer
x = 144,080.75
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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.