Finding the Fourth Proportional to 239,155.06, 330,048.93 and 131,725.06
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Solution
The fourth proportional to 239,155.06, 330,048.93 and 131,725.06 is: 181,788.82
Step by Step Solution
- Step 1: Write the proportion equation
239,155.06 : 330,048.93 = 131,725.06 : x - Step 2: Convert to fraction form
239,155.06/330,048.93 = 131,725.06/x - Step 3: Cross multiply
239,155.06x = 330,048.93 × 131,725.06 - Step 4: Simplify right side
239,155.06x = 43,475,715,107.19 - Step 5: Solve for x
x = 43,475,715,107.19/239,155.06 - Step 6: Final answer
x = 181,788.82
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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.