Finding the Fourth Proportional to 266,442.23, 399,726.17 and 86,527.05
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Solution
The fourth proportional to 266,442.23, 399,726.17 and 86,527.05 is: 129,810.98
Step by Step Solution
- Step 1: Write the proportion equation
266,442.23 : 399,726.17 = 86,527.05 : x - Step 2: Convert to fraction form
266,442.23/399,726.17 = 86,527.05/x - Step 3: Cross multiply
266,442.23x = 399,726.17 × 86,527.05 - Step 4: Simplify right side
266,442.23x = 34,587,125,865.26 - Step 5: Solve for x
x = 34,587,125,865.26/266,442.23 - Step 6: Final answer
x = 129,810.98
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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.