Finding the Fourth Proportional to 318,512.76, 439,565.72 and 182,569.28
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Solution
The fourth proportional to 318,512.76, 439,565.72 and 182,569.28 is: 251,955.99
Step by Step Solution
- Step 1: Write the proportion equation
318,512.76 : 439,565.72 = 182,569.28 : x - Step 2: Convert to fraction form
318,512.76/439,565.72 = 182,569.28/x - Step 3: Cross multiply
318,512.76x = 439,565.72 × 182,569.28 - Step 4: Simplify right side
318,512.76x = 80,251,197,013.08 - Step 5: Solve for x
x = 80,251,197,013.08/318,512.76 - Step 6: Final answer
x = 251,955.99
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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.