Finding the Fourth Proportional to 437,920.61, 657,249.98 and 171,867.96
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Solution
The fourth proportional to 437,920.61, 657,249.98 and 171,867.96 is: 257,946.79
Step by Step Solution
- Step 1: Write the proportion equation
437,920.61 : 657,249.98 = 171,867.96 : x - Step 2: Convert to fraction form
437,920.61/657,249.98 = 171,867.96/x - Step 3: Cross multiply
437,920.61x = 657,249.98 × 171,867.96 - Step 4: Simplify right side
437,920.61x = 112,960,212,413.30 - Step 5: Solve for x
x = 112,960,212,413.30/437,920.61 - Step 6: Final answer
x = 257,946.79
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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.