Finding the Fourth Proportional to 615,138.30, 922,837.05 and 194,456.70
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Solution
The fourth proportional to 615,138.30, 922,837.05 and 194,456.70 is: 291,726.02
Step by Step Solution
- Step 1: Write the proportion equation
615,138.30 : 922,837.05 = 194,456.70 : x - Step 2: Convert to fraction form
615,138.30/922,837.05 = 194,456.70/x - Step 3: Cross multiply
615,138.30x = 922,837.05 × 194,456.70 - Step 4: Simplify right side
615,138.30x = 179,451,847,380.74 - Step 5: Solve for x
x = 179,451,847,380.74/615,138.30 - Step 6: Final answer
x = 291,726.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.