Finding the Fourth Proportional to 304,808.68, 420,246.10 and 209,149.32
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Solution
The fourth proportional to 304,808.68, 420,246.10 and 209,149.32 is: 288,358.54
Step by Step Solution
- Step 1: Write the proportion equation
304,808.68 : 420,246.10 = 209,149.32 : x - Step 2: Convert to fraction form
304,808.68/420,246.10 = 209,149.32/x - Step 3: Cross multiply
304,808.68x = 420,246.10 × 209,149.32 - Step 4: Simplify right side
304,808.68x = 87,894,186,047.65 - Step 5: Solve for x
x = 87,894,186,047.65/304,808.68 - Step 6: Final answer
x = 288,358.54
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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.