Finding the Fourth Proportional to 239,564.20, 358,655.10 and 146,252.20
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Solution
The fourth proportional to 239,564.20, 358,655.10 and 146,252.20 is: 218,956.33
Step by Step Solution
- Step 1: Write the proportion equation
239,564.20 : 358,655.10 = 146,252.20 : x - Step 2: Convert to fraction form
239,564.20/358,655.10 = 146,252.20/x - Step 3: Cross multiply
239,564.20x = 358,655.10 × 146,252.20 - Step 4: Simplify right side
239,564.20x = 52,454,097,416.22 - Step 5: Solve for x
x = 52,454,097,416.22/239,564.20 - Step 6: Final answer
x = 218,956.33
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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.