Finding the Fourth Proportional to 427,291.28, 640,700.47 and 174,749.13
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Solution
The fourth proportional to 427,291.28, 640,700.47 and 174,749.13 is: 262,026.99
Step by Step Solution
- Step 1: Write the proportion equation
427,291.28 : 640,700.47 = 174,749.13 : x - Step 2: Convert to fraction form
427,291.28/640,700.47 = 174,749.13/x - Step 3: Cross multiply
427,291.28x = 640,700.47 × 174,749.13 - Step 4: Simplify right side
427,291.28x = 111,961,849,286.22 - Step 5: Solve for x
x = 111,961,849,286.22/427,291.28 - Step 6: Final answer
x = 262,026.99
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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.