Finding the Fourth Proportional to 586,378.20, 879,551.10 and 187,042.80
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Solution
The fourth proportional to 586,378.20, 879,551.10 and 187,042.80 is: 280,559.03
Step by Step Solution
- Step 1: Write the proportion equation
586,378.20 : 879,551.10 = 187,042.80 : x - Step 2: Convert to fraction form
586,378.20/879,551.10 = 187,042.80/x - Step 3: Cross multiply
586,378.20x = 879,551.10 × 187,042.80 - Step 4: Simplify right side
586,378.20x = 164,513,700,487.08 - Step 5: Solve for x
x = 164,513,700,487.08/586,378.20 - Step 6: Final answer
x = 280,559.03
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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.