Finding the Fourth Proportional to 357,482.11, 536,222.68 and 91,242.65
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Solution
The fourth proportional to 357,482.11, 536,222.68 and 91,242.65 is: 136,863.86
Step by Step Solution
- Step 1: Write the proportion equation
357,482.11 : 536,222.68 = 91,242.65 : x - Step 2: Convert to fraction form
357,482.11/536,222.68 = 91,242.65/x - Step 3: Cross multiply
357,482.11x = 536,222.68 × 91,242.65 - Step 4: Simplify right side
357,482.11x = 48,926,379,938.99 - Step 5: Solve for x
x = 48,926,379,938.99/357,482.11 - Step 6: Final answer
x = 136,863.86
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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.