Finding the Fourth Proportional to 274,246.29, 378,479.25 and 153,398.88
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Solution
The fourth proportional to 274,246.29, 378,479.25 and 153,398.88 is: 211,701.29
Step by Step Solution
- Step 1: Write the proportion equation
274,246.29 : 378,479.25 = 153,398.88 : x - Step 2: Convert to fraction form
274,246.29/378,479.25 = 153,398.88/x - Step 3: Cross multiply
274,246.29x = 378,479.25 × 153,398.88 - Step 4: Simplify right side
274,246.29x = 58,058,293,053.24 - Step 5: Solve for x
x = 58,058,293,053.24/274,246.29 - Step 6: Final answer
x = 211,701.29
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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.