Finding the Fourth Proportional to 518,504.06, 777,756.11 and 163,545.77
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Solution
The fourth proportional to 518,504.06, 777,756.11 and 163,545.77 is: 245,318.65
Step by Step Solution
- Step 1: Write the proportion equation
518,504.06 : 777,756.11 = 163,545.77 : x - Step 2: Convert to fraction form
518,504.06/777,756.11 = 163,545.77/x - Step 3: Cross multiply
518,504.06x = 777,756.11 × 163,545.77 - Step 4: Simplify right side
518,504.06x = 127,198,717,175.65 - Step 5: Solve for x
x = 127,198,717,175.65/518,504.06 - Step 6: Final answer
x = 245,318.65
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1.5x scale
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.