Finding the Fourth Proportional to 239,438.11, 359,209.14 and 119,559.55
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Solution
The fourth proportional to 239,438.11, 359,209.14 and 119,559.55 is: 179,365.28
Step by Step Solution
- Step 1: Write the proportion equation
239,438.11 : 359,209.14 = 119,559.55 : x - Step 2: Convert to fraction form
239,438.11/359,209.14 = 119,559.55/x - Step 3: Cross multiply
239,438.11x = 359,209.14 × 119,559.55 - Step 4: Simplify right side
239,438.11x = 42,946,883,134.29 - Step 5: Solve for x
x = 42,946,883,134.29/239,438.11 - Step 6: Final answer
x = 179,365.28
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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.