Finding the Fourth Proportional to 157,264.32, 217,033.88 and 118,432.62
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Solution
The fourth proportional to 157,264.32, 217,033.88 and 118,432.62 is: 163,443.88
Step by Step Solution
- Step 1: Write the proportion equation
157,264.32 : 217,033.88 = 118,432.62 : x - Step 2: Convert to fraction form
157,264.32/217,033.88 = 118,432.62/x - Step 3: Cross multiply
157,264.32x = 217,033.88 × 118,432.62 - Step 4: Simplify right side
157,264.32x = 25,703,891,037.17 - Step 5: Solve for x
x = 25,703,891,037.17/157,264.32 - Step 6: Final answer
x = 163,443.88
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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.