Finding the Fourth Proportional to 239,845.47, 330,987.24 and 132,415.71
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Solution
The fourth proportional to 239,845.47, 330,987.24 and 132,415.71 is: 182,733.95
Step by Step Solution
- Step 1: Write the proportion equation
239,845.47 : 330,987.24 = 132,415.71 : x - Step 2: Convert to fraction form
239,845.47/330,987.24 = 132,415.71/x - Step 3: Cross multiply
239,845.47x = 330,987.24 × 132,415.71 - Step 4: Simplify right side
239,845.47x = 43,827,910,385.54 - Step 5: Solve for x
x = 43,827,910,385.54/239,845.47 - Step 6: Final answer
x = 182,733.95
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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.