Finding the Fourth Proportional to 257,764.97, 386,681.41 and 95,636.95
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Solution
The fourth proportional to 257,764.97, 386,681.41 and 95,636.95 is: 143,468.03
Step by Step Solution
- Step 1: Write the proportion equation
257,764.97 : 386,681.41 = 95,636.95 : x - Step 2: Convert to fraction form
257,764.97/386,681.41 = 95,636.95/x - Step 3: Cross multiply
257,764.97x = 386,681.41 × 95,636.95 - Step 4: Simplify right side
257,764.97x = 36,981,032,399.43 - Step 5: Solve for x
x = 36,981,032,399.43/257,764.97 - Step 6: Final answer
x = 143,468.03
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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.