Finding the Fourth Proportional to 374,479.70, 561,719.54 and 125,161.70
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Solution
The fourth proportional to 374,479.70, 561,719.54 and 125,161.70 is: 187,742.55
Step by Step Solution
- Step 1: Write the proportion equation
374,479.70 : 561,719.54 = 125,161.70 : x - Step 2: Convert to fraction form
374,479.70/561,719.54 = 125,161.70/x - Step 3: Cross multiply
374,479.70x = 561,719.54 × 125,161.70 - Step 4: Simplify right side
374,479.70x = 70,305,772,549.62 - Step 5: Solve for x
x = 70,305,772,549.62/374,479.70 - Step 6: Final answer
x = 187,742.55
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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.