Finding the Fourth Proportional to 344,847.12, 517,319.21 and 120,175.26
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Solution
The fourth proportional to 344,847.12, 517,319.21 and 120,175.26 is: 180,279.80
Step by Step Solution
- Step 1: Write the proportion equation
344,847.12 : 517,319.21 = 120,175.26 : x - Step 2: Convert to fraction form
344,847.12/517,319.21 = 120,175.26/x - Step 3: Cross multiply
344,847.12x = 517,319.21 × 120,175.26 - Step 4: Simplify right side
344,847.12x = 62,168,970,865.18 - Step 5: Solve for x
x = 62,168,970,865.18/344,847.12 - Step 6: Final answer
x = 180,279.80
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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.