Finding the Fourth Proportional to 472,347.92, 707,394.36 and 261,462.80
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Solution
The fourth proportional to 472,347.92, 707,394.36 and 261,462.80 is: 391,570.07
Step by Step Solution
- Step 1: Write the proportion equation
472,347.92 : 707,394.36 = 261,462.80 : x - Step 2: Convert to fraction form
472,347.92/707,394.36 = 261,462.80/x - Step 3: Cross multiply
472,347.92x = 707,394.36 × 261,462.80 - Step 4: Simplify right side
472,347.92x = 184,957,310,069.81 - Step 5: Solve for x
x = 184,957,310,069.81/472,347.92 - Step 6: Final answer
x = 391,570.07
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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.