Finding the Fourth Proportional to 237,778.75, 328,134.68 and 137,176.75
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Solution
The fourth proportional to 237,778.75, 328,134.68 and 137,176.75 is: 189,303.92
Step by Step Solution
- Step 1: Write the proportion equation
237,778.75 : 328,134.68 = 137,176.75 : x - Step 2: Convert to fraction form
237,778.75/328,134.68 = 137,176.75/x - Step 3: Cross multiply
237,778.75x = 328,134.68 × 137,176.75 - Step 4: Simplify right side
237,778.75x = 45,012,448,964.69 - Step 5: Solve for x
x = 45,012,448,964.69/237,778.75 - Step 6: Final answer
x = 189,303.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.