Finding the Fourth Proportional to 172,934.24, 257,682.21 and 154,069.31
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Solution
The fourth proportional to 172,934.24, 257,682.21 and 154,069.31 is: 229,572.35
Step by Step Solution
- Step 1: Write the proportion equation
172,934.24 : 257,682.21 = 154,069.31 : x - Step 2: Convert to fraction form
172,934.24/257,682.21 = 154,069.31/x - Step 3: Cross multiply
172,934.24x = 257,682.21 × 154,069.31 - Step 4: Simplify right side
172,934.24x = 39,700,920,293.98 - Step 5: Solve for x
x = 39,700,920,293.98/172,934.24 - Step 6: Final answer
x = 229,572.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.