Finding the Fourth Proportional to 226,267.68, 312,159.36 and 130,756.80
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Solution
The fourth proportional to 226,267.68, 312,159.36 and 130,756.80 is: 180,392.35
Step by Step Solution
- Step 1: Write the proportion equation
226,267.68 : 312,159.36 = 130,756.80 : x - Step 2: Convert to fraction form
226,267.68/312,159.36 = 130,756.80/x - Step 3: Cross multiply
226,267.68x = 312,159.36 × 130,756.80 - Step 4: Simplify right side
226,267.68x = 40,816,959,003.65 - Step 5: Solve for x
x = 40,816,959,003.65/226,267.68 - Step 6: Final answer
x = 180,392.35
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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.