Finding the Fourth Proportional to 199,934.12, 299,753.04 and 121,029.68
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Solution
The fourth proportional to 199,934.12, 299,753.04 and 121,029.68 is: 181,454.84
Step by Step Solution
- Step 1: Write the proportion equation
199,934.12 : 299,753.04 = 121,029.68 : x - Step 2: Convert to fraction form
199,934.12/299,753.04 = 121,029.68/x - Step 3: Cross multiply
199,934.12x = 299,753.04 × 121,029.68 - Step 4: Simplify right side
199,934.12x = 36,279,014,510.23 - Step 5: Solve for x
x = 36,279,014,510.23/199,934.12 - Step 6: Final answer
x = 181,454.84
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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.