Finding the Fourth Proportional to 157,239.40, 235,866.39 and 44,935.74
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Solution
The fourth proportional to 157,239.40, 235,866.39 and 44,935.74 is: 67,405.69
Step by Step Solution
- Step 1: Write the proportion equation
157,239.40 : 235,866.39 = 44,935.74 : x - Step 2: Convert to fraction form
157,239.40/235,866.39 = 44,935.74/x - Step 3: Cross multiply
157,239.40x = 235,866.39 × 44,935.74 - Step 4: Simplify right side
157,239.40x = 10,598,830,775.78 - Step 5: Solve for x
x = 10,598,830,775.78/157,239.40 - Step 6: Final answer
x = 67,405.69
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1.5x scale
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.