Finding the Fourth Proportional to 338,242.87, 466,598.19 and 209,140.07
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Solution
The fourth proportional to 338,242.87, 466,598.19 and 209,140.07 is: 288,503.88
Step by Step Solution
- Step 1: Write the proportion equation
338,242.87 : 466,598.19 = 209,140.07 : x - Step 2: Convert to fraction form
338,242.87/466,598.19 = 209,140.07/x - Step 3: Cross multiply
338,242.87x = 466,598.19 × 209,140.07 - Step 4: Simplify right side
338,242.87x = 97,584,378,118.47 - Step 5: Solve for x
x = 97,584,378,118.47/338,242.87 - Step 6: Final answer
x = 288,503.88
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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.