Finding the Fourth Proportional to 278,285.01, 417,393.49 and 118,425.19
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Solution
The fourth proportional to 278,285.01, 417,393.49 and 118,425.19 is: 177,623.31
Step by Step Solution
- Step 1: Write the proportion equation
278,285.01 : 417,393.49 = 118,425.19 : x - Step 2: Convert to fraction form
278,285.01/417,393.49 = 118,425.19/x - Step 3: Cross multiply
278,285.01x = 417,393.49 × 118,425.19 - Step 4: Simplify right side
278,285.01x = 49,429,903,358.01 - Step 5: Solve for x
x = 49,429,903,358.01/278,285.01 - Step 6: Final answer
x = 177,623.31
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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.