Finding the Fourth Proportional to 260,731.36, 359,800.14 and 147,551.68
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Solution
The fourth proportional to 260,731.36, 359,800.14 and 147,551.68 is: 203,616.15
Step by Step Solution
- Step 1: Write the proportion equation
260,731.36 : 359,800.14 = 147,551.68 : x - Step 2: Convert to fraction form
260,731.36/359,800.14 = 147,551.68/x - Step 3: Cross multiply
260,731.36x = 359,800.14 × 147,551.68 - Step 4: Simplify right side
260,731.36x = 53,089,115,121.24 - Step 5: Solve for x
x = 53,089,115,121.24/260,731.36 - Step 6: Final answer
x = 203,616.15
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1.5x scale
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.