Finding the Fourth Proportional to 157,037.05, 235,476.74 and 72,724.69
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Solution
The fourth proportional to 157,037.05, 235,476.74 and 72,724.69 is: 109,050.52
Step by Step Solution
- Step 1: Write the proportion equation
157,037.05 : 235,476.74 = 72,724.69 : x - Step 2: Convert to fraction form
157,037.05/235,476.74 = 72,724.69/x - Step 3: Cross multiply
157,037.05x = 235,476.74 × 72,724.69 - Step 4: Simplify right side
157,037.05x = 17,124,972,555.09 - Step 5: Solve for x
x = 17,124,972,555.09/157,037.05 - Step 6: Final answer
x = 109,050.52
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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.