Finding the Fourth Proportional to 349,389.12, 524,194.44 and 124,744.80
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Solution
The fourth proportional to 349,389.12, 524,194.44 and 124,744.80 is: 187,156.75
Step by Step Solution
- Step 1: Write the proportion equation
349,389.12 : 524,194.44 = 124,744.80 : x - Step 2: Convert to fraction form
349,389.12/524,194.44 = 124,744.80/x - Step 3: Cross multiply
349,389.12x = 524,194.44 × 124,744.80 - Step 4: Simplify right side
349,389.12x = 65,390,530,578.91 - Step 5: Solve for x
x = 65,390,530,578.91/349,389.12 - Step 6: Final answer
x = 187,156.75
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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.