Finding the Fourth Proportional to 538,780.76, 808,175.18 and 239,180.80
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Solution
The fourth proportional to 538,780.76, 808,175.18 and 239,180.80 is: 358,772.99
Step by Step Solution
- Step 1: Write the proportion equation
538,780.76 : 808,175.18 = 239,180.80 : x - Step 2: Convert to fraction form
538,780.76/808,175.18 = 239,180.80/x - Step 3: Cross multiply
538,780.76x = 808,175.18 × 239,180.80 - Step 4: Simplify right side
538,780.76x = 193,299,986,092.54 - Step 5: Solve for x
x = 193,299,986,092.54/538,780.76 - Step 6: Final answer
x = 358,772.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.