Finding the Fourth Proportional to 608,347.21, 912,379.26 and 229,306.09
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Solution
The fourth proportional to 608,347.21, 912,379.26 and 229,306.09 is: 343,905.78
Step by Step Solution
- Step 1: Write the proportion equation
608,347.21 : 912,379.26 = 229,306.09 : x - Step 2: Convert to fraction form
608,347.21/912,379.26 = 229,306.09/x - Step 3: Cross multiply
608,347.21x = 912,379.26 × 229,306.09 - Step 4: Simplify right side
608,347.21x = 209,214,120,707.69 - Step 5: Solve for x
x = 209,214,120,707.69/608,347.21 - Step 6: Final answer
x = 343,905.78
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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.