Finding the Fourth Proportional to 352,402.47, 486,315.78 and 191,257.62
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Solution
The fourth proportional to 352,402.47, 486,315.78 and 191,257.62 is: 263,935.72
Step by Step Solution
- Step 1: Write the proportion equation
352,402.47 : 486,315.78 = 191,257.62 : x - Step 2: Convert to fraction form
352,402.47/486,315.78 = 191,257.62/x - Step 3: Cross multiply
352,402.47x = 486,315.78 × 191,257.62 - Step 4: Simplify right side
352,402.47x = 93,011,598,651.24 - Step 5: Solve for x
x = 93,011,598,651.24/352,402.47 - Step 6: Final answer
x = 263,935.72
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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.