Finding the Fourth Proportional to 150,558.14, 207,248.76 and 130,130.90
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Solution
The fourth proportional to 150,558.14, 207,248.76 and 130,130.90 is: 179,129.92
Step by Step Solution
- Step 1: Write the proportion equation
150,558.14 : 207,248.76 = 130,130.90 : x - Step 2: Convert to fraction form
150,558.14/207,248.76 = 130,130.90/x - Step 3: Cross multiply
150,558.14x = 207,248.76 × 130,130.90 - Step 4: Simplify right side
150,558.14x = 26,969,467,662.68 - Step 5: Solve for x
x = 26,969,467,662.68/150,558.14 - Step 6: Final answer
x = 179,129.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.