Finding the Fourth Proportional to 357,918.98, 536,882.70 and 91,672.38
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Solution
The fourth proportional to 357,918.98, 536,882.70 and 91,672.38 is: 137,509.66
Step by Step Solution
- Step 1: Write the proportion equation
357,918.98 : 536,882.70 = 91,672.38 : x - Step 2: Convert to fraction form
357,918.98/536,882.70 = 91,672.38/x - Step 3: Cross multiply
357,918.98x = 536,882.70 × 91,672.38 - Step 4: Simplify right side
357,918.98x = 49,217,314,889.83 - Step 5: Solve for x
x = 49,217,314,889.83/357,918.98 - Step 6: Final answer
x = 137,509.66
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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.