Finding the Fourth Proportional to 288,620.24, 432,457.08 and 203,966.94
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Solution
The fourth proportional to 288,620.24, 432,457.08 and 203,966.94 is: 305,615.94
Step by Step Solution
- Step 1: Write the proportion equation
288,620.24 : 432,457.08 = 203,966.94 : x - Step 2: Convert to fraction form
288,620.24/432,457.08 = 203,966.94/x - Step 3: Cross multiply
288,620.24x = 432,457.08 × 203,966.94 - Step 4: Simplify right side
288,620.24x = 88,206,944,496.92 - Step 5: Solve for x
x = 88,206,944,496.92/288,620.24 - Step 6: Final answer
x = 305,615.94
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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.