Finding the Fourth Proportional to 121,377.84, 182,095.68 and 38,271.84
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Solution
The fourth proportional to 121,377.84, 182,095.68 and 38,271.84 is: 57,416.88
Step by Step Solution
- Step 1: Write the proportion equation
121,377.84 : 182,095.68 = 38,271.84 : x - Step 2: Convert to fraction form
121,377.84/182,095.68 = 38,271.84/x - Step 3: Cross multiply
121,377.84x = 182,095.68 × 38,271.84 - Step 4: Simplify right side
121,377.84x = 6,969,136,729.65 - Step 5: Solve for x
x = 6,969,136,729.65/121,377.84 - Step 6: Final answer
x = 57,416.88
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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.