Finding the Fourth Proportional to 274,297.47, 378,512.73 and 153,417.84
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Solution
The fourth proportional to 274,297.47, 378,512.73 and 153,417.84 is: 211,706.68
Step by Step Solution
- Step 1: Write the proportion equation
274,297.47 : 378,512.73 = 153,417.84 : x - Step 2: Convert to fraction form
274,297.47/378,512.73 = 153,417.84/x - Step 3: Cross multiply
274,297.47x = 378,512.73 × 153,417.84 - Step 4: Simplify right side
274,297.47x = 58,070,605,449.10 - Step 5: Solve for x
x = 58,070,605,449.10/274,297.47 - Step 6: Final answer
x = 211,706.68
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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.