Finding the Fourth Proportional to 219,967.62, 329,951.31 and 79,726.02
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Solution
The fourth proportional to 219,967.62, 329,951.31 and 79,726.02 is: 119,588.99
Step by Step Solution
- Step 1: Write the proportion equation
219,967.62 : 329,951.31 = 79,726.02 : x - Step 2: Convert to fraction form
219,967.62/329,951.31 = 79,726.02/x - Step 3: Cross multiply
219,967.62x = 329,951.31 × 79,726.02 - Step 4: Simplify right side
219,967.62x = 26,305,704,740.09 - Step 5: Solve for x
x = 26,305,704,740.09/219,967.62 - Step 6: Final answer
x = 119,588.99
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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.