Finding the Fourth Proportional to 157,112.06, 235,704.99 and 51,931.02
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Solution
The fourth proportional to 157,112.06, 235,704.99 and 51,931.02 is: 77,908.73
Step by Step Solution
- Step 1: Write the proportion equation
157,112.06 : 235,704.99 = 51,931.02 : x - Step 2: Convert to fraction form
157,112.06/235,704.99 = 51,931.02/x - Step 3: Cross multiply
157,112.06x = 235,704.99 × 51,931.02 - Step 4: Simplify right side
157,112.06x = 12,240,400,549.79 - Step 5: Solve for x
x = 12,240,400,549.79/157,112.06 - Step 6: Final answer
x = 77,908.73
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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.