Finding the Fourth Proportional to 140,423.68, 209,548.76 and 125,470.08
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Solution
The fourth proportional to 140,423.68, 209,548.76 and 125,470.08 is: 187,234.09
Step by Step Solution
- Step 1: Write the proportion equation
140,423.68 : 209,548.76 = 125,470.08 : x - Step 2: Convert to fraction form
140,423.68/209,548.76 = 125,470.08/x - Step 3: Cross multiply
140,423.68x = 209,548.76 × 125,470.08 - Step 4: Simplify right side
140,423.68x = 26,292,099,681.10 - Step 5: Solve for x
x = 26,292,099,681.10/140,423.68 - Step 6: Final answer
x = 187,234.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.