Finding the Fourth Proportional to 288,216.75, 432,588.80 and 146,160.08
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Solution
The fourth proportional to 288,216.75, 432,588.80 and 146,160.08 is: 219,373.83
Step by Step Solution
- Step 1: Write the proportion equation
288,216.75 : 432,588.80 = 146,160.08 : x - Step 2: Convert to fraction form
288,216.75/432,588.80 = 146,160.08/x - Step 3: Cross multiply
288,216.75x = 432,588.80 × 146,160.08 - Step 4: Simplify right side
288,216.75x = 63,227,213,615.10 - Step 5: Solve for x
x = 63,227,213,615.10/288,216.75 - Step 6: Final answer
x = 219,373.83
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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.