Finding the Fourth Proportional to 360,721.99, 497,810.99 and 199,574.41
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Solution
The fourth proportional to 360,721.99, 497,810.99 and 199,574.41 is: 275,420.79
Step by Step Solution
- Step 1: Write the proportion equation
360,721.99 : 497,810.99 = 199,574.41 : x - Step 2: Convert to fraction form
360,721.99/497,810.99 = 199,574.41/x - Step 3: Cross multiply
360,721.99x = 497,810.99 × 199,574.41 - Step 4: Simplify right side
360,721.99x = 99,350,334,620.77 - Step 5: Solve for x
x = 99,350,334,620.77/360,721.99 - Step 6: Final answer
x = 275,420.79
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1.5x scale
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.