Finding the Fourth Proportional to 92,292.30, 138,470.57 and 29,122.17
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Solution
The fourth proportional to 92,292.30, 138,470.57 and 29,122.17 is: 43,693.39
Step by Step Solution
- Step 1: Write the proportion equation
92,292.30 : 138,470.57 = 29,122.17 : x - Step 2: Convert to fraction form
92,292.30/138,470.57 = 29,122.17/x - Step 3: Cross multiply
92,292.30x = 138,470.57 × 29,122.17 - Step 4: Simplify right side
92,292.30x = 4,032,563,479.54 - Step 5: Solve for x
x = 4,032,563,479.54/92,292.30 - Step 6: Final answer
x = 43,693.39
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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.