Finding the Fourth Proportional to 239,823.98, 330,959.78 and 132,394.08
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Solution
The fourth proportional to 239,823.98, 330,959.78 and 132,394.08 is: 182,705.31
Step by Step Solution
- Step 1: Write the proportion equation
239,823.98 : 330,959.78 = 132,394.08 : x - Step 2: Convert to fraction form
239,823.98/330,959.78 = 132,394.08/x - Step 3: Cross multiply
239,823.98x = 330,959.78 × 132,394.08 - Step 4: Simplify right side
239,823.98x = 43,817,115,590.10 - Step 5: Solve for x
x = 43,817,115,590.10/239,823.98 - Step 6: Final answer
x = 182,705.31
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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.