Finding the Fourth Proportional to 427,182.66, 589,378.88 and 283,966.97
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Solution
The fourth proportional to 427,182.66, 589,378.88 and 283,966.97 is: 391,785.88
Step by Step Solution
- Step 1: Write the proportion equation
427,182.66 : 589,378.88 = 283,966.97 : x - Step 2: Convert to fraction form
427,182.66/589,378.88 = 283,966.97/x - Step 3: Cross multiply
427,182.66x = 589,378.88 × 283,966.97 - Step 4: Simplify right side
427,182.66x = 167,364,132,498.62 - Step 5: Solve for x
x = 167,364,132,498.62/427,182.66 - Step 6: Final answer
x = 391,785.88
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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.