Finding the Fourth Proportional to 172,246.88, 237,747.45 and 111,813.99
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Solution
The fourth proportional to 172,246.88, 237,747.45 and 111,813.99 is: 154,333.66
Step by Step Solution
- Step 1: Write the proportion equation
172,246.88 : 237,747.45 = 111,813.99 : x - Step 2: Convert to fraction form
172,246.88/237,747.45 = 111,813.99/x - Step 3: Cross multiply
172,246.88x = 237,747.45 × 111,813.99 - Step 4: Simplify right side
172,246.88x = 26,583,490,996.83 - Step 5: Solve for x
x = 26,583,490,996.83/172,246.88 - Step 6: Final answer
x = 154,333.66
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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.