Finding the Fourth Proportional to 374,339.69, 561,448.02 and 134,403.92
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Solution
The fourth proportional to 374,339.69, 561,448.02 and 134,403.92 is: 201,583.79
Step by Step Solution
- Step 1: Write the proportion equation
374,339.69 : 561,448.02 = 134,403.92 : x - Step 2: Convert to fraction form
374,339.69/561,448.02 = 134,403.92/x - Step 3: Cross multiply
374,339.69x = 561,448.02 × 134,403.92 - Step 4: Simplify right side
374,339.69x = 75,460,814,764.24 - Step 5: Solve for x
x = 75,460,814,764.24/374,339.69 - Step 6: Final answer
x = 201,583.79
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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.