Finding the Fourth Proportional to 220,390.02, 304,138.26 and 119,788.02
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Solution
The fourth proportional to 220,390.02, 304,138.26 and 119,788.02 is: 165,307.49
Step by Step Solution
- Step 1: Write the proportion equation
220,390.02 : 304,138.26 = 119,788.02 : x - Step 2: Convert to fraction form
220,390.02/304,138.26 = 119,788.02/x - Step 3: Cross multiply
220,390.02x = 304,138.26 × 119,788.02 - Step 4: Simplify right side
220,390.02x = 36,432,119,971.65 - Step 5: Solve for x
x = 36,432,119,971.65/220,390.02 - Step 6: Final answer
x = 165,307.49
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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.