Finding the Fourth Proportional to 431,547.58, 647,297.77 and 132,028.14
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Solution
The fourth proportional to 431,547.58, 647,297.77 and 132,028.14 is: 198,034.99
Step by Step Solution
- Step 1: Write the proportion equation
431,547.58 : 647,297.77 = 132,028.14 : x - Step 2: Convert to fraction form
431,547.58/647,297.77 = 132,028.14/x - Step 3: Cross multiply
431,547.58x = 647,297.77 × 132,028.14 - Step 4: Simplify right side
431,547.58x = 85,461,520,599.25 - Step 5: Solve for x
x = 85,461,520,599.25/431,547.58 - Step 6: Final answer
x = 198,034.99
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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.