Finding the Fourth Proportional to 162,029.80, 243,044.70 and 148,251.70
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Solution
The fourth proportional to 162,029.80, 243,044.70 and 148,251.70 is: 222,377.55
Step by Step Solution
- Step 1: Write the proportion equation
162,029.80 : 243,044.70 = 148,251.70 : x - Step 2: Convert to fraction form
162,029.80/243,044.70 = 148,251.70/x - Step 3: Cross multiply
162,029.80x = 243,044.70 × 148,251.70 - Step 4: Simplify right side
162,029.80x = 36,031,789,950.99 - Step 5: Solve for x
x = 36,031,789,950.99/162,029.80 - Step 6: Final answer
x = 222,377.55
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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.