Finding the Fourth Proportional to 340,418.20, 469,789.86 and 187,463.02
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Solution
The fourth proportional to 340,418.20, 469,789.86 and 187,463.02 is: 258,705.99
Step by Step Solution
- Step 1: Write the proportion equation
340,418.20 : 469,789.86 = 187,463.02 : x - Step 2: Convert to fraction form
340,418.20/469,789.86 = 187,463.02/x - Step 3: Cross multiply
340,418.20x = 469,789.86 × 187,463.02 - Step 4: Simplify right side
340,418.20x = 88,068,225,920.98 - Step 5: Solve for x
x = 88,068,225,920.98/340,418.20 - Step 6: Final answer
x = 258,705.99
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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.