Finding the Fourth Proportional to 357,767.42, 536,645.65 and 91,525.68
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Solution
The fourth proportional to 357,767.42, 536,645.65 and 91,525.68 is: 137,287.12
Step by Step Solution
- Step 1: Write the proportion equation
357,767.42 : 536,645.65 = 91,525.68 : x - Step 2: Convert to fraction form
357,767.42/536,645.65 = 91,525.68/x - Step 3: Cross multiply
357,767.42x = 536,645.65 × 91,525.68 - Step 4: Simplify right side
357,767.42x = 49,116,858,035.29 - Step 5: Solve for x
x = 49,116,858,035.29/357,767.42 - Step 6: Final answer
x = 137,287.12
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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.