Finding the Fourth Proportional to 272,139.99, 408,070.05 and 122,251.71
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Solution
The fourth proportional to 272,139.99, 408,070.05 and 122,251.71 is: 183,314.70
Step by Step Solution
- Step 1: Write the proportion equation
272,139.99 : 408,070.05 = 122,251.71 : x - Step 2: Convert to fraction form
272,139.99/408,070.05 = 122,251.71/x - Step 3: Cross multiply
272,139.99x = 408,070.05 × 122,251.71 - Step 4: Simplify right side
272,139.99x = 49,887,261,412.29 - Step 5: Solve for x
x = 49,887,261,412.29/272,139.99 - Step 6: Final answer
x = 183,314.70
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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.