Finding the Fourth Proportional to 319,376.10, 440,719.99 and 183,432.18
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Solution
The fourth proportional to 319,376.10, 440,719.99 and 183,432.18 is: 253,125.48
Step by Step Solution
- Step 1: Write the proportion equation
319,376.10 : 440,719.99 = 183,432.18 : x - Step 2: Convert to fraction form
319,376.10/440,719.99 = 183,432.18/x - Step 3: Cross multiply
319,376.10x = 440,719.99 × 183,432.18 - Step 4: Simplify right side
319,376.10x = 80,842,228,535.28 - Step 5: Solve for x
x = 80,842,228,535.28/319,376.10 - Step 6: Final answer
x = 253,125.48
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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.