Finding the Fourth Proportional to 464,394.13, 696,588.15 and 127,408.42
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Solution
The fourth proportional to 464,394.13, 696,588.15 and 127,408.42 is: 191,111.79
Step by Step Solution
- Step 1: Write the proportion equation
464,394.13 : 696,588.15 = 127,408.42 : x - Step 2: Convert to fraction form
464,394.13/696,588.15 = 127,408.42/x - Step 3: Cross multiply
464,394.13x = 696,588.15 × 127,408.42 - Step 4: Simplify right side
464,394.13x = 88,751,195,582.22 - Step 5: Solve for x
x = 88,751,195,582.22/464,394.13 - Step 6: Final answer
x = 191,111.79
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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.