Finding the Fourth Proportional to 199,895.36, 299,926.12 and 87,517.70
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Solution
The fourth proportional to 199,895.36, 299,926.12 and 87,517.70 is: 131,312.92
Step by Step Solution
- Step 1: Write the proportion equation
199,895.36 : 299,926.12 = 87,517.70 : x - Step 2: Convert to fraction form
199,895.36/299,926.12 = 87,517.70/x - Step 3: Cross multiply
199,895.36x = 299,926.12 × 87,517.70 - Step 4: Simplify right side
199,895.36x = 26,248,844,192.32 - Step 5: Solve for x
x = 26,248,844,192.32/199,895.36 - Step 6: Final answer
x = 131,312.92
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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.