Finding the Fourth Proportional to 475,863.18, 713,160.54 and 251,170.80
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Solution
The fourth proportional to 475,863.18, 713,160.54 and 251,170.80 is: 376,421.44
Step by Step Solution
- Step 1: Write the proportion equation
475,863.18 : 713,160.54 = 251,170.80 : x - Step 2: Convert to fraction form
475,863.18/713,160.54 = 251,170.80/x - Step 3: Cross multiply
475,863.18x = 713,160.54 × 251,170.80 - Step 4: Simplify right side
475,863.18x = 179,125,103,360.23 - Step 5: Solve for x
x = 179,125,103,360.23/475,863.18 - Step 6: Final answer
x = 376,421.44
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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.