Finding the Fourth Proportional to 288,334.99, 432,502.49 and 85,934.22
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Solution
The fourth proportional to 288,334.99, 432,502.49 and 85,934.22 is: 128,901.32
Step by Step Solution
- Step 1: Write the proportion equation
288,334.99 : 432,502.49 = 85,934.22 : x - Step 2: Convert to fraction form
288,334.99/432,502.49 = 85,934.22/x - Step 3: Cross multiply
288,334.99x = 432,502.49 × 85,934.22 - Step 4: Simplify right side
288,334.99x = 37,166,762,235.78 - Step 5: Solve for x
x = 37,166,762,235.78/288,334.99 - Step 6: Final answer
x = 128,901.32
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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.