Finding the Fourth Proportional to 615,387.09, 922,919.76 and 182,988.12
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Solution
The fourth proportional to 615,387.09, 922,919.76 and 182,988.12 is: 274,434.34
Step by Step Solution
- Step 1: Write the proportion equation
615,387.09 : 922,919.76 = 182,988.12 : x - Step 2: Convert to fraction form
615,387.09/922,919.76 = 182,988.12/x - Step 3: Cross multiply
615,387.09x = 922,919.76 × 182,988.12 - Step 4: Simplify right side
615,387.09x = 168,883,351,793.25 - Step 5: Solve for x
x = 168,883,351,793.25/615,387.09 - Step 6: Final answer
x = 274,434.34
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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.