Finding the Fourth Proportional to 427,282.44, 640,363.02 and 314,434.44
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Solution
The fourth proportional to 427,282.44, 640,363.02 and 314,434.44 is: 471,239.09
Step by Step Solution
- Step 1: Write the proportion equation
427,282.44 : 640,363.02 = 314,434.44 : x - Step 2: Convert to fraction form
427,282.44/640,363.02 = 314,434.44/x - Step 3: Cross multiply
427,282.44x = 640,363.02 × 314,434.44 - Step 4: Simplify right side
427,282.44x = 201,352,187,590.41 - Step 5: Solve for x
x = 201,352,187,590.41/427,282.44 - Step 6: Final answer
x = 471,239.09
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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.