Finding the Fourth Proportional to 216,835.04, 299,193 and 124,940
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Solution
The fourth proportional to 216,835.04, 299,193 and 124,940 is: 172,394.52
Step by Step Solution
- Step 1: Write the proportion equation
216,835.04 : 299,193 = 124,940 : x - Step 2: Convert to fraction form
216,835.04/299,193 = 124,940/x - Step 3: Cross multiply
216,835.04x = 299,193 × 124,940 - Step 4: Simplify right side
216,835.04x = 37,381,173,420 - Step 5: Solve for x
x = 37,381,173,420/216,835.04 - Step 6: Final answer
x = 172,394.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.