Finding the Fourth Proportional to 156,932.01, 216,549.99 and 93,257.55
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Solution
The fourth proportional to 156,932.01, 216,549.99 and 93,257.55 is: 128,685.80
Step by Step Solution
- Step 1: Write the proportion equation
156,932.01 : 216,549.99 = 93,257.55 : x - Step 2: Convert to fraction form
156,932.01/216,549.99 = 93,257.55/x - Step 3: Cross multiply
156,932.01x = 216,549.99 × 93,257.55 - Step 4: Simplify right side
156,932.01x = 20,194,921,519.92 - Step 5: Solve for x
x = 20,194,921,519.92/156,932.01 - Step 6: Final answer
x = 128,685.80
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1.5x scale
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.