Finding the Fourth Proportional to 337,339.20, 465,742.80 and 210,201.60
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Solution
The fourth proportional to 337,339.20, 465,742.80 and 210,201.60 is: 290,211.99
Step by Step Solution
- Step 1: Write the proportion equation
337,339.20 : 465,742.80 = 210,201.60 : x - Step 2: Convert to fraction form
337,339.20/465,742.80 = 210,201.60/x - Step 3: Cross multiply
337,339.20x = 465,742.80 × 210,201.60 - Step 4: Simplify right side
337,339.20x = 97,899,881,748.48 - Step 5: Solve for x
x = 97,899,881,748.48/337,339.20 - Step 6: Final answer
x = 290,211.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.