Finding the Fourth Proportional to 202,125.40, 302,750.70 and 108,521.80
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Solution
The fourth proportional to 202,125.40, 302,750.70 and 108,521.80 is: 162,547.86
Step by Step Solution
- Step 1: Write the proportion equation
202,125.40 : 302,750.70 = 108,521.80 : x - Step 2: Convert to fraction form
202,125.40/302,750.70 = 108,521.80/x - Step 3: Cross multiply
202,125.40x = 302,750.70 × 108,521.80 - Step 4: Simplify right side
202,125.40x = 32,855,050,915.26 - Step 5: Solve for x
x = 32,855,050,915.26/202,125.40 - Step 6: Final answer
x = 162,547.86
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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.