Finding the Fourth Proportional to 252,892.23, 348,980.95 and 138,174.84
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Solution
The fourth proportional to 252,892.23, 348,980.95 and 138,174.84 is: 190,675.64
Step by Step Solution
- Step 1: Write the proportion equation
252,892.23 : 348,980.95 = 138,174.84 : x - Step 2: Convert to fraction form
252,892.23/348,980.95 = 138,174.84/x - Step 3: Cross multiply
252,892.23x = 348,980.95 × 138,174.84 - Step 4: Simplify right side
252,892.23x = 48,220,386,929.30 - Step 5: Solve for x
x = 48,220,386,929.30/252,892.23 - Step 6: Final answer
x = 190,675.64
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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.