Finding the Fourth Proportional to 350,609.64, 484,159.97 and 264,420.99
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Solution
The fourth proportional to 350,609.64, 484,159.97 and 264,420.99 is: 365,141.30
Step by Step Solution
- Step 1: Write the proportion equation
350,609.64 : 484,159.97 = 264,420.99 : x - Step 2: Convert to fraction form
350,609.64/484,159.97 = 264,420.99/x - Step 3: Cross multiply
350,609.64x = 484,159.97 × 264,420.99 - Step 4: Simplify right side
350,609.64x = 128,022,058,585.77 - Step 5: Solve for x
x = 128,022,058,585.77/350,609.64 - Step 6: Final answer
x = 365,141.30
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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.