Finding the Fourth Proportional to 226,772.99, 312,881.80 and 146,246.75
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Solution
The fourth proportional to 226,772.99, 312,881.80 and 146,246.75 is: 201,778.64
Step by Step Solution
- Step 1: Write the proportion equation
226,772.99 : 312,881.80 = 146,246.75 : x - Step 2: Convert to fraction form
226,772.99/312,881.80 = 146,246.75/x - Step 3: Cross multiply
226,772.99x = 312,881.80 × 146,246.75 - Step 4: Simplify right side
226,772.99x = 45,757,946,384.15 - Step 5: Solve for x
x = 45,757,946,384.15/226,772.99 - Step 6: Final answer
x = 201,778.64
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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.