Finding the Fourth Proportional to 391,725.93, 587,673.49 and 121,848.93
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Solution
The fourth proportional to 391,725.93, 587,673.49 and 121,848.93 is: 182,799.71
Step by Step Solution
- Step 1: Write the proportion equation
391,725.93 : 587,673.49 = 121,848.93 : x - Step 2: Convert to fraction form
391,725.93/587,673.49 = 121,848.93/x - Step 3: Cross multiply
391,725.93x = 587,673.49 × 121,848.93 - Step 4: Simplify right side
391,725.93x = 71,607,385,641.24 - Step 5: Solve for x
x = 71,607,385,641.24/391,725.93 - Step 6: Final answer
x = 182,799.71
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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.