Finding the Fourth Proportional to 288,599.20, 432,898.80 and 235,455.10
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Solution
The fourth proportional to 288,599.20, 432,898.80 and 235,455.10 is: 353,182.65
Step by Step Solution
- Step 1: Write the proportion equation
288,599.20 : 432,898.80 = 235,455.10 : x - Step 2: Convert to fraction form
288,599.20/432,898.80 = 235,455.10/x - Step 3: Cross multiply
288,599.20x = 432,898.80 × 235,455.10 - Step 4: Simplify right side
288,599.20x = 101,928,230,243.88 - Step 5: Solve for x
x = 101,928,230,243.88/288,599.20 - Step 6: Final answer
x = 353,182.65
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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.