Finding the Fourth Proportional to 172,244.86, 237,813.90 and 154,038.99
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Solution
The fourth proportional to 172,244.86, 237,813.90 and 154,038.99 is: 212,677.54
Step by Step Solution
- Step 1: Write the proportion equation
172,244.86 : 237,813.90 = 154,038.99 : x - Step 2: Convert to fraction form
172,244.86/237,813.90 = 154,038.99/x - Step 3: Cross multiply
172,244.86x = 237,813.90 × 154,038.99 - Step 4: Simplify right side
172,244.86x = 36,632,612,963.96 - Step 5: Solve for x
x = 36,632,612,963.96/172,244.86 - Step 6: Final answer
x = 212,677.54
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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.