Finding the Fourth Proportional to 239,866.08, 330,948.96 and 137,886.24
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Solution
The fourth proportional to 239,866.08, 330,948.96 and 137,886.24 is: 190,244.94
Step by Step Solution
- Step 1: Write the proportion equation
239,866.08 : 330,948.96 = 137,886.24 : x - Step 2: Convert to fraction form
239,866.08/330,948.96 = 137,886.24/x - Step 3: Cross multiply
239,866.08x = 330,948.96 × 137,886.24 - Step 4: Simplify right side
239,866.08x = 45,633,307,726.31 - Step 5: Solve for x
x = 45,633,307,726.31/239,866.08 - Step 6: Final answer
x = 190,244.94
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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.