Finding the Fourth Proportional to 357,471.50, 536,206.81 and 91,232.04
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Solution
The fourth proportional to 357,471.50, 536,206.81 and 91,232.04 is: 136,847.95
Step by Step Solution
- Step 1: Write the proportion equation
357,471.50 : 536,206.81 = 91,232.04 : x - Step 2: Convert to fraction form
357,471.50/536,206.81 = 91,232.04/x - Step 3: Cross multiply
357,471.50x = 536,206.81 × 91,232.04 - Step 4: Simplify right side
357,471.50x = 48,919,241,138.19 - Step 5: Solve for x
x = 48,919,241,138.19/357,471.50 - Step 6: Final answer
x = 136,847.95
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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.