Finding the Fourth Proportional to 480,116.68, 720,175.26 and 125,129.80
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Solution
The fourth proportional to 480,116.68, 720,175.26 and 125,129.80 is: 187,694.76
Step by Step Solution
- Step 1: Write the proportion equation
480,116.68 : 720,175.26 = 125,129.80 : x - Step 2: Convert to fraction form
480,116.68/720,175.26 = 125,129.80/x - Step 3: Cross multiply
480,116.68x = 720,175.26 × 125,129.80 - Step 4: Simplify right side
480,116.68x = 90,115,386,248.75 - Step 5: Solve for x
x = 90,115,386,248.75/480,116.68 - Step 6: Final answer
x = 187,694.76
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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.