Finding the Fourth Proportional to 288,929.99, 433,287.21 and 99,336.67
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Solution
The fourth proportional to 288,929.99, 433,287.21 and 99,336.67 is: 148,967.95
Step by Step Solution
- Step 1: Write the proportion equation
288,929.99 : 433,287.21 = 99,336.67 : x - Step 2: Convert to fraction form
288,929.99/433,287.21 = 99,336.67/x - Step 3: Cross multiply
288,929.99x = 433,287.21 × 99,336.67 - Step 4: Simplify right side
288,929.99x = 43,041,308,594.99 - Step 5: Solve for x
x = 43,041,308,594.99/288,929.99 - Step 6: Final answer
x = 148,967.95
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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.