Finding the Fourth Proportional to 469,176.09, 703,656.19 and 279,689.95
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Solution
The fourth proportional to 469,176.09, 703,656.19 and 279,689.95 is: 419,470.58
Step by Step Solution
- Step 1: Write the proportion equation
469,176.09 : 703,656.19 = 279,689.95 : x - Step 2: Convert to fraction form
469,176.09/703,656.19 = 279,689.95/x - Step 3: Cross multiply
469,176.09x = 703,656.19 × 279,689.95 - Step 4: Simplify right side
469,176.09x = 196,805,564,598.29 - Step 5: Solve for x
x = 196,805,564,598.29/469,176.09 - Step 6: Final answer
x = 419,470.58
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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.