Finding the Fourth Proportional to 644,209.20, 966,002.40 and 239,122.08
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Solution
The fourth proportional to 644,209.20, 966,002.40 and 239,122.08 is: 358,567.53
Step by Step Solution
- Step 1: Write the proportion equation
644,209.20 : 966,002.40 = 239,122.08 : x - Step 2: Convert to fraction form
644,209.20/966,002.40 = 239,122.08/x - Step 3: Cross multiply
644,209.20x = 966,002.40 × 239,122.08 - Step 4: Simplify right side
644,209.20x = 230,992,503,172.99 - Step 5: Solve for x
x = 230,992,503,172.99/644,209.20 - Step 6: Final answer
x = 358,567.53
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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.