Finding the Fourth Proportional to 178,868.07, 246,827.93 and 107,212.23
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Solution
The fourth proportional to 178,868.07, 246,827.93 and 107,212.23 is: 147,946.88
Step by Step Solution
- Step 1: Write the proportion equation
178,868.07 : 246,827.93 = 107,212.23 : x - Step 2: Convert to fraction form
178,868.07/246,827.93 = 107,212.23/x - Step 3: Cross multiply
178,868.07x = 246,827.93 × 107,212.23 - Step 4: Simplify right side
178,868.07x = 26,462,972,265.52 - Step 5: Solve for x
x = 26,462,972,265.52/178,868.07 - Step 6: Final answer
x = 147,946.88
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1.5x scale
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.