Finding the Fourth Proportional to 340,394.34, 469,747.68 and 187,446.75
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Solution
The fourth proportional to 340,394.34, 469,747.68 and 187,446.75 is: 258,678.44
Step by Step Solution
- Step 1: Write the proportion equation
340,394.34 : 469,747.68 = 187,446.75 : x - Step 2: Convert to fraction form
340,394.34/469,747.68 = 187,446.75/x - Step 3: Cross multiply
340,394.34x = 469,747.68 × 187,446.75 - Step 4: Simplify right side
340,394.34x = 88,052,675,936.04 - Step 5: Solve for x
x = 88,052,675,936.04/340,394.34 - Step 6: Final answer
x = 258,678.44
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1.5x scale
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.