Finding the Fourth Proportional to 157,012.12, 235,512.78 and 44,693.02
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Solution
The fourth proportional to 157,012.12, 235,512.78 and 44,693.02 is: 67,037.99
Step by Step Solution
- Step 1: Write the proportion equation
157,012.12 : 235,512.78 = 44,693.02 : x - Step 2: Convert to fraction form
157,012.12/235,512.78 = 44,693.02/x - Step 3: Cross multiply
157,012.12x = 235,512.78 × 44,693.02 - Step 4: Simplify right side
157,012.12x = 10,525,777,386.80 - Step 5: Solve for x
x = 10,525,777,386.80/157,012.12 - Step 6: Final answer
x = 67,037.99
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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.