Finding the Fourth Proportional to 509,932.18, 703,723.67 and 280,506.52
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Solution
The fourth proportional to 509,932.18, 703,723.67 and 280,506.52 is: 387,108.49
Step by Step Solution
- Step 1: Write the proportion equation
509,932.18 : 703,723.67 = 280,506.52 : x - Step 2: Convert to fraction form
509,932.18/703,723.67 = 280,506.52/x - Step 3: Cross multiply
509,932.18x = 703,723.67 × 280,506.52 - Step 4: Simplify right side
509,932.18x = 197,399,076,655.29 - Step 5: Solve for x
x = 197,399,076,655.29/509,932.18 - Step 6: Final answer
x = 387,108.49
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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.