Finding the Fourth Proportional to 147,909.70, 221,864.55 and 147,909.70
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Solution
The fourth proportional to 147,909.70, 221,864.55 and 147,909.70 is: 221,864.55
Step by Step Solution
- Step 1: Write the proportion equation
147,909.70 : 221,864.55 = 147,909.70 : x - Step 2: Convert to fraction form
147,909.70/221,864.55 = 147,909.70/x - Step 3: Cross multiply
147,909.70x = 221,864.55 × 147,909.70 - Step 4: Simplify right side
147,909.70x = 32,815,919,031.14 - Step 5: Solve for x
x = 32,815,919,031.14/147,909.70 - Step 6: Final answer
x = 221,864.55
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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.