Finding the Fourth Proportional to 367,058.05, 550,423.05 and 142,343.80
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Solution
The fourth proportional to 367,058.05, 550,423.05 and 142,343.80 is: 213,452.09
Step by Step Solution
- Step 1: Write the proportion equation
367,058.05 : 550,423.05 = 142,343.80 : x - Step 2: Convert to fraction form
367,058.05/550,423.05 = 142,343.80/x - Step 3: Cross multiply
367,058.05x = 550,423.05 × 142,343.80 - Step 4: Simplify right side
367,058.05x = 78,349,308,544.59 - Step 5: Solve for x
x = 78,349,308,544.59/367,058.05 - Step 6: Final answer
x = 213,452.09
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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.