Finding the Fourth Proportional to 336,389.04, 464,266.80 and 221,649.84
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Solution
The fourth proportional to 336,389.04, 464,266.80 and 221,649.84 is: 305,909.68
Step by Step Solution
- Step 1: Write the proportion equation
336,389.04 : 464,266.80 = 221,649.84 : x - Step 2: Convert to fraction form
336,389.04/464,266.80 = 221,649.84/x - Step 3: Cross multiply
336,389.04x = 464,266.80 × 221,649.84 - Step 4: Simplify right side
336,389.04x = 102,904,661,937.31 - Step 5: Solve for x
x = 102,904,661,937.31/336,389.04 - Step 6: Final answer
x = 305,909.68
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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.