Finding the Fourth Proportional to 288,655.80, 432,983.70 and 164,239.80
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Solution
The fourth proportional to 288,655.80, 432,983.70 and 164,239.80 is: 246,359.70
Step by Step Solution
- Step 1: Write the proportion equation
288,655.80 : 432,983.70 = 164,239.80 : x - Step 2: Convert to fraction form
288,655.80/432,983.70 = 164,239.80/x - Step 3: Cross multiply
288,655.80x = 432,983.70 × 164,239.80 - Step 4: Simplify right side
288,655.80x = 71,113,156,291.26 - Step 5: Solve for x
x = 71,113,156,291.26/288,655.80 - Step 6: Final answer
x = 246,359.70
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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.