Finding the Fourth Proportional to 450,202.20, 621,332.63 and 259,252.80
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Solution
The fourth proportional to 450,202.20, 621,332.63 and 259,252.80 is: 357,799.72
Step by Step Solution
- Step 1: Write the proportion equation
450,202.20 : 621,332.63 = 259,252.80 : x - Step 2: Convert to fraction form
450,202.20/621,332.63 = 259,252.80/x - Step 3: Cross multiply
450,202.20x = 621,332.63 × 259,252.80 - Step 4: Simplify right side
450,202.20x = 161,082,222,762.60 - Step 5: Solve for x
x = 161,082,222,762.60/450,202.20 - Step 6: Final answer
x = 357,799.72
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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.