Finding the Fourth Proportional to 228,937.80, 343,406.70 and 149,221.65
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Solution
The fourth proportional to 228,937.80, 343,406.70 and 149,221.65 is: 223,832.48
Step by Step Solution
- Step 1: Write the proportion equation
228,937.80 : 343,406.70 = 149,221.65 : x - Step 2: Convert to fraction form
228,937.80/343,406.70 = 149,221.65/x - Step 3: Cross multiply
228,937.80x = 343,406.70 × 149,221.65 - Step 4: Simplify right side
228,937.80x = 51,243,714,395.06 - Step 5: Solve for x
x = 51,243,714,395.06/228,937.80 - Step 6: Final answer
x = 223,832.48
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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.