Finding the Fourth Proportional to 199,937.04, 275,943.15 and 115,037.70
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Solution
The fourth proportional to 199,937.04, 275,943.15 and 115,037.70 is: 158,769.31
Step by Step Solution
- Step 1: Write the proportion equation
199,937.04 : 275,943.15 = 115,037.70 : x - Step 2: Convert to fraction form
199,937.04/275,943.15 = 115,037.70/x - Step 3: Cross multiply
199,937.04x = 275,943.15 × 115,037.70 - Step 4: Simplify right side
199,937.04x = 31,743,865,306.76 - Step 5: Solve for x
x = 31,743,865,306.76/199,937.04 - Step 6: Final answer
x = 158,769.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.