Finding the Fourth Proportional to 357,471.30, 536,206.53 and 91,231.80
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Solution
The fourth proportional to 357,471.30, 536,206.53 and 91,231.80 is: 136,847.59
Step by Step Solution
- Step 1: Write the proportion equation
357,471.30 : 536,206.53 = 91,231.80 : x - Step 2: Convert to fraction form
357,471.30/536,206.53 = 91,231.80/x - Step 3: Cross multiply
357,471.30x = 536,206.53 × 91,231.80 - Step 4: Simplify right side
357,471.30x = 48,919,086,903.65 - Step 5: Solve for x
x = 48,919,086,903.65/357,471.30 - Step 6: Final answer
x = 136,847.59
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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.