Finding the Fourth Proportional to 199,925.08, 299,936.82 and 140,876.08
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Solution
The fourth proportional to 199,925.08, 299,936.82 and 140,876.08 is: 211,348.79
Step by Step Solution
- Step 1: Write the proportion equation
199,925.08 : 299,936.82 = 140,876.08 : x - Step 2: Convert to fraction form
199,925.08/299,936.82 = 140,876.08/x - Step 3: Cross multiply
199,925.08x = 299,936.82 × 140,876.08 - Step 4: Simplify right side
199,925.08x = 42,253,923,449.27 - Step 5: Solve for x
x = 42,253,923,449.27/199,925.08 - Step 6: Final answer
x = 211,348.79
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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.