Finding the Fourth Proportional to 448,867.13, 619,449.59 and 247,676.09
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Solution
The fourth proportional to 448,867.13, 619,449.59 and 247,676.09 is: 341,800.15
Step by Step Solution
- Step 1: Write the proportion equation
448,867.13 : 619,449.59 = 247,676.09 : x - Step 2: Convert to fraction form
448,867.13/619,449.59 = 247,676.09/x - Step 3: Cross multiply
448,867.13x = 619,449.59 × 247,676.09 - Step 4: Simplify right side
448,867.13x = 153,422,849,925.25 - Step 5: Solve for x
x = 153,422,849,925.25/448,867.13 - Step 6: Final answer
x = 341,800.15
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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.