Finding the Fourth Proportional to 420,753.06, 580,653.36 and 237,023.28
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Solution
The fourth proportional to 420,753.06, 580,653.36 and 237,023.28 is: 327,100.09
Step by Step Solution
- Step 1: Write the proportion equation
420,753.06 : 580,653.36 = 237,023.28 : x - Step 2: Convert to fraction form
420,753.06/580,653.36 = 237,023.28/x - Step 3: Cross multiply
420,753.06x = 580,653.36 × 237,023.28 - Step 4: Simplify right side
420,753.06x = 137,628,363,930.22 - Step 5: Solve for x
x = 137,628,363,930.22/420,753.06 - Step 6: Final answer
x = 327,100.09
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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.