Finding the Fourth Proportional to 239,521.36, 330,525.48 and 137,523.28
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Solution
The fourth proportional to 239,521.36, 330,525.48 and 137,523.28 is: 189,774.09
Step by Step Solution
- Step 1: Write the proportion equation
239,521.36 : 330,525.48 = 137,523.28 : x - Step 2: Convert to fraction form
239,521.36/330,525.48 = 137,523.28/x - Step 3: Cross multiply
239,521.36x = 330,525.48 × 137,523.28 - Step 4: Simplify right side
239,521.36x = 45,454,948,133.17 - Step 5: Solve for x
x = 45,454,948,133.17/239,521.36 - Step 6: Final answer
x = 189,774.09
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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.