Finding the Fourth Proportional to 207,726.26, 311,641.95 and 57,966.53
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Solution
The fourth proportional to 207,726.26, 311,641.95 and 57,966.53 is: 86,964.46
Step by Step Solution
- Step 1: Write the proportion equation
207,726.26 : 311,641.95 = 57,966.53 : x - Step 2: Convert to fraction form
207,726.26/311,641.95 = 57,966.53/x - Step 3: Cross multiply
207,726.26x = 311,641.95 × 57,966.53 - Step 4: Simplify right side
207,726.26x = 18,064,800,885.72 - Step 5: Solve for x
x = 18,064,800,885.72/207,726.26 - Step 6: Final answer
x = 86,964.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.