Finding the Fourth Proportional to 807,851.10, 1,211,776.65 and 239,252.70
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Solution
The fourth proportional to 807,851.10, 1,211,776.65 and 239,252.70 is: 358,879.05
Step by Step Solution
- Step 1: Write the proportion equation
807,851.10 : 1,211,776.65 = 239,252.70 : x - Step 2: Convert to fraction form
807,851.10/1,211,776.65 = 239,252.70/x - Step 3: Cross multiply
807,851.10x = 1,211,776.65 × 239,252.70 - Step 4: Simplify right side
807,851.10x = 289,920,835,309.46 - Step 5: Solve for x
x = 289,920,835,309.46/807,851.10 - Step 6: Final answer
x = 358,879.05
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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.