Finding the Fourth Proportional to 399,934.13, 600,122.61 and 239,616.09
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Solution
The fourth proportional to 399,934.13, 600,122.61 and 239,616.09 is: 359,556.80
Step by Step Solution
- Step 1: Write the proportion equation
399,934.13 : 600,122.61 = 239,616.09 : x - Step 2: Convert to fraction form
399,934.13/600,122.61 = 239,616.09/x - Step 3: Cross multiply
399,934.13x = 600,122.61 × 239,616.09 - Step 4: Simplify right side
399,934.13x = 143,799,033,328.80 - Step 5: Solve for x
x = 143,799,033,328.80/399,934.13 - Step 6: Final answer
x = 359,556.80
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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.