Finding the Fourth Proportional to 396,901.80, 593,894.70 and 291,925.80
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Solution
The fourth proportional to 396,901.80, 593,894.70 and 291,925.80 is: 436,816.32
Step by Step Solution
- Step 1: Write the proportion equation
396,901.80 : 593,894.70 = 291,925.80 : x - Step 2: Convert to fraction form
396,901.80/593,894.70 = 291,925.80/x - Step 3: Cross multiply
396,901.80x = 593,894.70 × 291,925.80 - Step 4: Simplify right side
396,901.80x = 173,373,185,413.26 - Step 5: Solve for x
x = 173,373,185,413.26/396,901.80 - Step 6: Final answer
x = 436,816.32
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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.