Finding the Fourth Proportional to 272,525.05, 408,787.71 and 122,590.17
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Solution
The fourth proportional to 272,525.05, 408,787.71 and 122,590.17 is: 183,885.32
Step by Step Solution
- Step 1: Write the proportion equation
272,525.05 : 408,787.71 = 122,590.17 : x - Step 2: Convert to fraction form
272,525.05/408,787.71 = 122,590.17/x - Step 3: Cross multiply
272,525.05x = 408,787.71 × 122,590.17 - Step 4: Simplify right side
272,525.05x = 50,113,354,862.81 - Step 5: Solve for x
x = 50,113,354,862.81/272,525.05 - Step 6: Final answer
x = 183,885.32
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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.