Finding the Fourth Proportional to 228,903.80, 343,355.70 and 149,187.65
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Solution
The fourth proportional to 228,903.80, 343,355.70 and 149,187.65 is: 223,781.48
Step by Step Solution
- Step 1: Write the proportion equation
228,903.80 : 343,355.70 = 149,187.65 : x - Step 2: Convert to fraction form
228,903.80/343,355.70 = 149,187.65/x - Step 3: Cross multiply
228,903.80x = 343,355.70 × 149,187.65 - Step 4: Simplify right side
228,903.80x = 51,224,429,997.11 - Step 5: Solve for x
x = 51,224,429,997.11/228,903.80 - Step 6: Final answer
x = 223,781.48
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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.