Finding the Fourth Proportional to 608,168.48, 912,707.12 and 229,462.70
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Solution
The fourth proportional to 608,168.48, 912,707.12 and 229,462.70 is: 344,365.49
Step by Step Solution
- Step 1: Write the proportion equation
608,168.48 : 912,707.12 = 229,462.70 : x - Step 2: Convert to fraction form
608,168.48/912,707.12 = 229,462.70/x - Step 3: Cross multiply
608,168.48x = 912,707.12 × 229,462.70 - Step 4: Simplify right side
608,168.48x = 209,432,236,074.55 - Step 5: Solve for x
x = 209,432,236,074.55/608,168.48 - Step 6: Final answer
x = 344,365.49
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1.5x scale
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.