Finding the Fourth Proportional to 608,346.21, 912,377.76 and 229,305.09
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Solution
The fourth proportional to 608,346.21, 912,377.76 and 229,305.09 is: 343,904.28
Step by Step Solution
- Step 1: Write the proportion equation
608,346.21 : 912,377.76 = 229,305.09 : x - Step 2: Convert to fraction form
608,346.21/912,377.76 = 229,305.09/x - Step 3: Cross multiply
608,346.21x = 912,377.76 × 229,305.09 - Step 4: Simplify right side
608,346.21x = 209,212,864,370.80 - Step 5: Solve for x
x = 209,212,864,370.80/608,346.21 - Step 6: Final answer
x = 343,904.28
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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.