Finding the Fourth Proportional to 199,619.10, 299,647.35 and 124,823.70
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Solution
The fourth proportional to 199,619.10, 299,647.35 and 124,823.70 is: 187,372.31
Step by Step Solution
- Step 1: Write the proportion equation
199,619.10 : 299,647.35 = 124,823.70 : x - Step 2: Convert to fraction form
199,619.10/299,647.35 = 124,823.70/x - Step 3: Cross multiply
199,619.10x = 299,647.35 × 124,823.70 - Step 4: Simplify right side
199,619.10x = 37,403,090,922.20 - Step 5: Solve for x
x = 37,403,090,922.20/199,619.10 - Step 6: Final answer
x = 187,372.31
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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.