Finding the Fourth Proportional to 615,178.14, 922,761.68 and 194,454.15
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Solution
The fourth proportional to 615,178.14, 922,761.68 and 194,454.15 is: 291,679.48
Step by Step Solution
- Step 1: Write the proportion equation
615,178.14 : 922,761.68 = 194,454.15 : x - Step 2: Convert to fraction form
615,178.14/922,761.68 = 194,454.15/x - Step 3: Cross multiply
615,178.14x = 922,761.68 × 194,454.15 - Step 4: Simplify right side
615,178.14x = 179,434,837,164.70 - Step 5: Solve for x
x = 179,434,837,164.70/615,178.14 - Step 6: Final answer
x = 291,679.48
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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.