Finding the Fourth Proportional to 340,013.42, 469,199.99 and 187,026.92
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Solution
The fourth proportional to 340,013.42, 469,199.99 and 187,026.92 is: 258,086.95
Step by Step Solution
- Step 1: Write the proportion equation
340,013.42 : 469,199.99 = 187,026.92 : x - Step 2: Convert to fraction form
340,013.42/469,199.99 = 187,026.92/x - Step 3: Cross multiply
340,013.42x = 469,199.99 × 187,026.92 - Step 4: Simplify right side
340,013.42x = 87,753,027,115.30 - Step 5: Solve for x
x = 87,753,027,115.30/340,013.42 - Step 6: Final answer
x = 258,086.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.