Finding the Fourth Proportional to 274,169.06, 378,388.53 and 153,317.12
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Solution
The fourth proportional to 274,169.06, 378,388.53 and 153,317.12 is: 211,597.32
Step by Step Solution
- Step 1: Write the proportion equation
274,169.06 : 378,388.53 = 153,317.12 : x - Step 2: Convert to fraction form
274,169.06/378,388.53 = 153,317.12/x - Step 3: Cross multiply
274,169.06x = 378,388.53 × 153,317.12 - Step 4: Simplify right side
274,169.06x = 58,013,437,768.69 - Step 5: Solve for x
x = 58,013,437,768.69/274,169.06 - Step 6: Final answer
x = 211,597.32
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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.