Finding the Fourth Proportional to 304,829.80, 457,244.70 and 138,617.80
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Solution
The fourth proportional to 304,829.80, 457,244.70 and 138,617.80 is: 207,926.70
Step by Step Solution
- Step 1: Write the proportion equation
304,829.80 : 457,244.70 = 138,617.80 : x - Step 2: Convert to fraction form
304,829.80/457,244.70 = 138,617.80/x - Step 3: Cross multiply
304,829.80x = 457,244.70 × 138,617.80 - Step 4: Simplify right side
304,829.80x = 63,382,254,375.66 - Step 5: Solve for x
x = 63,382,254,375.66/304,829.80 - Step 6: Final answer
x = 207,926.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.