Finding the Fourth Proportional to 328,029.80, 492,044.70 and 106,413.80
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Solution
The fourth proportional to 328,029.80, 492,044.70 and 106,413.80 is: 159,620.70
Step by Step Solution
- Step 1: Write the proportion equation
328,029.80 : 492,044.70 = 106,413.80 : x - Step 2: Convert to fraction form
328,029.80/492,044.70 = 106,413.80/x - Step 3: Cross multiply
328,029.80x = 492,044.70 × 106,413.80 - Step 4: Simplify right side
328,029.80x = 52,360,346,296.86 - Step 5: Solve for x
x = 52,360,346,296.86/328,029.80 - Step 6: Final answer
x = 159,620.70
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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.