Finding the Fourth Proportional to 146,239.86, 219,332.04 and 71,284.68
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Solution
The fourth proportional to 146,239.86, 219,332.04 and 71,284.68 is: 106,913.49
Step by Step Solution
- Step 1: Write the proportion equation
146,239.86 : 219,332.04 = 71,284.68 : x - Step 2: Convert to fraction form
146,239.86/219,332.04 = 71,284.68/x - Step 3: Cross multiply
146,239.86x = 219,332.04 × 71,284.68 - Step 4: Simplify right side
146,239.86x = 15,635,014,285.15 - Step 5: Solve for x
x = 15,635,014,285.15/146,239.86 - Step 6: Final answer
x = 106,913.49
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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.