Finding the Fourth Proportional to 157,173.12, 235,757.52 and 57,332.52
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Solution
The fourth proportional to 157,173.12, 235,757.52 and 57,332.52 is: 85,997.99
Step by Step Solution
- Step 1: Write the proportion equation
157,173.12 : 235,757.52 = 57,332.52 : x - Step 2: Convert to fraction form
157,173.12/235,757.52 = 57,332.52/x - Step 3: Cross multiply
157,173.12x = 235,757.52 × 57,332.52 - Step 4: Simplify right side
157,173.12x = 13,516,572,730.55 - Step 5: Solve for x
x = 13,516,572,730.55/157,173.12 - Step 6: Final answer
x = 85,997.99
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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.