Finding the Fourth Proportional to 245,392.41, 368,089.20 and 74,615.70
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Solution
The fourth proportional to 245,392.41, 368,089.20 and 74,615.70 is: 111,923.73
Step by Step Solution
- Step 1: Write the proportion equation
245,392.41 : 368,089.20 = 74,615.70 : x - Step 2: Convert to fraction form
245,392.41/368,089.20 = 74,615.70/x - Step 3: Cross multiply
245,392.41x = 368,089.20 × 74,615.70 - Step 4: Simplify right side
245,392.41x = 27,465,233,320.44 - Step 5: Solve for x
x = 27,465,233,320.44/245,392.41 - Step 6: Final answer
x = 111,923.73
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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.