Finding the Fourth Proportional to 414,653.23, 572,398.03 and 278,765.99
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Solution
The fourth proportional to 414,653.23, 572,398.03 and 278,765.99 is: 384,815.77
Step by Step Solution
- Step 1: Write the proportion equation
414,653.23 : 572,398.03 = 278,765.99 : x - Step 2: Convert to fraction form
414,653.23/572,398.03 = 278,765.99/x - Step 3: Cross multiply
414,653.23x = 572,398.03 × 278,765.99 - Step 4: Simplify right side
414,653.23x = 159,565,103,507.00 - Step 5: Solve for x
x = 159,565,103,507.00/414,653.23 - Step 6: Final answer
x = 384,815.77
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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.