Finding the Fourth Proportional to 447,291.55, 670,707.49 and 131,707.45
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Solution
The fourth proportional to 447,291.55, 670,707.49 and 131,707.45 is: 197,493.50
Step by Step Solution
- Step 1: Write the proportion equation
447,291.55 : 670,707.49 = 131,707.45 : x - Step 2: Convert to fraction form
447,291.55/670,707.49 = 131,707.45/x - Step 3: Cross multiply
447,291.55x = 670,707.49 × 131,707.45 - Step 4: Simplify right side
447,291.55x = 88,337,173,203.80 - Step 5: Solve for x
x = 88,337,173,203.80/447,291.55 - Step 6: Final answer
x = 197,493.50
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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.