Finding the Fourth Proportional to 464,297.10, 640,756.68 and 260,413.42
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Solution
The fourth proportional to 464,297.10, 640,756.68 and 260,413.42 is: 359,385.48
Step by Step Solution
- Step 1: Write the proportion equation
464,297.10 : 640,756.68 = 260,413.42 : x - Step 2: Convert to fraction form
464,297.10/640,756.68 = 260,413.42/x - Step 3: Cross multiply
464,297.10x = 640,756.68 × 260,413.42 - Step 4: Simplify right side
464,297.10x = 166,861,638,426.65 - Step 5: Solve for x
x = 166,861,638,426.65/464,297.10 - Step 6: Final answer
x = 359,385.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.