Finding the Fourth Proportional to 420,607.36, 580,471.28 and 239,326.92
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Solution
The fourth proportional to 420,607.36, 580,471.28 and 239,326.92 is: 330,290.00
Step by Step Solution
- Step 1: Write the proportion equation
420,607.36 : 580,471.28 = 239,326.92 : x - Step 2: Convert to fraction form
420,607.36/580,471.28 = 239,326.92/x - Step 3: Cross multiply
420,607.36x = 580,471.28 × 239,326.92 - Step 4: Simplify right side
420,607.36x = 138,922,403,590.86 - Step 5: Solve for x
x = 138,922,403,590.86/420,607.36 - Step 6: Final answer
x = 330,290.00
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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.