Finding the Fourth Proportional to 377,593.80, 566,390.70 and 128,275.80
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Solution
The fourth proportional to 377,593.80, 566,390.70 and 128,275.80 is: 192,413.70
Step by Step Solution
- Step 1: Write the proportion equation
377,593.80 : 566,390.70 = 128,275.80 : x - Step 2: Convert to fraction form
377,593.80/566,390.70 = 128,275.80/x - Step 3: Cross multiply
377,593.80x = 566,390.70 × 128,275.80 - Step 4: Simplify right side
377,593.80x = 72,654,220,155.06 - Step 5: Solve for x
x = 72,654,220,155.06/377,593.80 - Step 6: Final answer
x = 192,413.70
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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.