Finding the Fourth Proportional to 391,506.58, 587,347.38 and 125,283.08
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Solution
The fourth proportional to 391,506.58, 587,347.38 and 125,283.08 is: 187,952.62
Step by Step Solution
- Step 1: Write the proportion equation
391,506.58 : 587,347.38 = 125,283.08 : x - Step 2: Convert to fraction form
391,506.58/587,347.38 = 125,283.08/x - Step 3: Cross multiply
391,506.58x = 587,347.38 × 125,283.08 - Step 4: Simplify right side
391,506.58x = 73,584,688,796.33 - Step 5: Solve for x
x = 73,584,688,796.33/391,506.58 - Step 6: Final answer
x = 187,952.62
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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.