Finding the Fourth Proportional to 399,182.06, 598,937.52 and 293,107.70
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Solution
The fourth proportional to 399,182.06, 598,937.52 and 293,107.70 is: 439,782.29
Step by Step Solution
- Step 1: Write the proportion equation
399,182.06 : 598,937.52 = 293,107.70 : x - Step 2: Convert to fraction form
399,182.06/598,937.52 = 293,107.70/x - Step 3: Cross multiply
399,182.06x = 598,937.52 × 293,107.70 - Step 4: Simplify right side
399,182.06x = 175,553,201,527.40 - Step 5: Solve for x
x = 175,553,201,527.40/399,182.06 - Step 6: Final answer
x = 439,782.29
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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.