Finding the Fourth Proportional to 157,067.20, 235,600.80 and 97,280.09
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Solution
The fourth proportional to 157,067.20, 235,600.80 and 97,280.09 is: 145,920.14
Step by Step Solution
- Step 1: Write the proportion equation
157,067.20 : 235,600.80 = 97,280.09 : x - Step 2: Convert to fraction form
157,067.20/235,600.80 = 97,280.09/x - Step 3: Cross multiply
157,067.20x = 235,600.80 × 97,280.09 - Step 4: Simplify right side
157,067.20x = 22,919,267,028.07 - Step 5: Solve for x
x = 22,919,267,028.07/157,067.20 - Step 6: Final answer
x = 145,920.14
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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.