Finding the Fourth Proportional to 157,545.56, 236,317.12 and 39,216.12
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Solution
The fourth proportional to 157,545.56, 236,317.12 and 39,216.12 is: 58,823.88
Step by Step Solution
- Step 1: Write the proportion equation
157,545.56 : 236,317.12 = 39,216.12 : x - Step 2: Convert to fraction form
157,545.56/236,317.12 = 39,216.12/x - Step 3: Cross multiply
157,545.56x = 236,317.12 × 39,216.12 - Step 4: Simplify right side
157,545.56x = 9,267,440,535.97 - Step 5: Solve for x
x = 9,267,440,535.97/157,545.56 - Step 6: Final answer
x = 58,823.88
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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.