Finding the Fourth Proportional to 395,358.80, 592,776.12 and 217,950.80
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Solution
The fourth proportional to 395,358.80, 592,776.12 and 217,950.80 is: 326,781.72
Step by Step Solution
- Step 1: Write the proportion equation
395,358.80 : 592,776.12 = 217,950.80 : x - Step 2: Convert to fraction form
395,358.80/592,776.12 = 217,950.80/x - Step 3: Cross multiply
395,358.80x = 592,776.12 × 217,950.80 - Step 4: Simplify right side
395,358.80x = 129,196,029,574.90 - Step 5: Solve for x
x = 129,196,029,574.90/395,358.80 - Step 6: Final answer
x = 326,781.72
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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.