Finding the Fourth Proportional to 417,851.65, 576,636.87 and 226,864.99
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Solution
The fourth proportional to 417,851.65, 576,636.87 and 226,864.99 is: 313,074.55
Step by Step Solution
- Step 1: Write the proportion equation
417,851.65 : 576,636.87 = 226,864.99 : x - Step 2: Convert to fraction form
417,851.65/576,636.87 = 226,864.99/x - Step 3: Cross multiply
417,851.65x = 576,636.87 × 226,864.99 - Step 4: Simplify right side
417,851.65x = 130,818,717,746.18 - Step 5: Solve for x
x = 130,818,717,746.18/417,851.65 - Step 6: Final answer
x = 313,074.55
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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.