Finding the Fourth Proportional to 384,697.48, 576,973.74 and 104,177.80
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Solution
The fourth proportional to 384,697.48, 576,973.74 and 104,177.80 is: 156,247.07
Step by Step Solution
- Step 1: Write the proportion equation
384,697.48 : 576,973.74 = 104,177.80 : x - Step 2: Convert to fraction form
384,697.48/576,973.74 = 104,177.80/x - Step 3: Cross multiply
384,697.48x = 576,973.74 × 104,177.80 - Step 4: Simplify right side
384,697.48x = 60,107,854,890.97 - Step 5: Solve for x
x = 60,107,854,890.97/384,697.48 - Step 6: Final answer
x = 156,247.07
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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.