Finding the Fourth Proportional to 288,282.62, 432,423.94 and 209,895.68
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Solution
The fourth proportional to 288,282.62, 432,423.94 and 209,895.68 is: 314,843.53
Step by Step Solution
- Step 1: Write the proportion equation
288,282.62 : 432,423.94 = 209,895.68 : x - Step 2: Convert to fraction form
288,282.62/432,423.94 = 209,895.68/x - Step 3: Cross multiply
288,282.62x = 432,423.94 × 209,895.68 - Step 4: Simplify right side
288,282.62x = 90,763,916,934.58 - Step 5: Solve for x
x = 90,763,916,934.58/288,282.62 - Step 6: Final answer
x = 314,843.53
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1.5x scale
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.