Finding the Fourth Proportional to 357,490.44, 493,335.11 and 194,145.80
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Solution
The fourth proportional to 357,490.44, 493,335.11 and 194,145.80 is: 267,920.28
Step by Step Solution
- Step 1: Write the proportion equation
357,490.44 : 493,335.11 = 194,145.80 : x - Step 2: Convert to fraction form
357,490.44/493,335.11 = 194,145.80/x - Step 3: Cross multiply
357,490.44x = 493,335.11 × 194,145.80 - Step 4: Simplify right side
357,490.44x = 95,778,937,617.73 - Step 5: Solve for x
x = 95,778,937,617.73/357,490.44 - Step 6: Final answer
x = 267,920.28
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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.