Finding the Fourth Proportional to 357,761.84, 536,661.14 and 91,524.66
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Solution
The fourth proportional to 357,761.84, 536,661.14 and 91,524.66 is: 137,291.69
Step by Step Solution
- Step 1: Write the proportion equation
357,761.84 : 536,661.14 = 91,524.66 : x - Step 2: Convert to fraction form
357,761.84/536,661.14 = 91,524.66/x - Step 3: Cross multiply
357,761.84x = 536,661.14 × 91,524.66 - Step 4: Simplify right side
357,761.84x = 49,117,727,916.09 - Step 5: Solve for x
x = 49,117,727,916.09/357,761.84 - Step 6: Final answer
x = 137,291.69
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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.