Finding the Fourth Proportional to 157,025.93, 235,396.35 and 57,115.49
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Solution
The fourth proportional to 157,025.93, 235,396.35 and 57,115.49 is: 85,621.38
Step by Step Solution
- Step 1: Write the proportion equation
157,025.93 : 235,396.35 = 57,115.49 : x - Step 2: Convert to fraction form
157,025.93/235,396.35 = 57,115.49/x - Step 3: Cross multiply
157,025.93x = 235,396.35 × 57,115.49 - Step 4: Simplify right side
157,025.93x = 13,444,776,411.90 - Step 5: Solve for x
x = 13,444,776,411.90/157,025.93 - Step 6: Final answer
x = 85,621.38
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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.