Finding the Fourth Proportional to 254,253.51, 350,879.99 and 139,536.18
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Solution
The fourth proportional to 254,253.51, 350,879.99 and 139,536.18 is: 192,565.49
Step by Step Solution
- Step 1: Write the proportion equation
254,253.51 : 350,879.99 = 139,536.18 : x - Step 2: Convert to fraction form
254,253.51/350,879.99 = 139,536.18/x - Step 3: Cross multiply
254,253.51x = 350,879.99 × 139,536.18 - Step 4: Simplify right side
254,253.51x = 48,960,452,745.36 - Step 5: Solve for x
x = 48,960,452,745.36/254,253.51 - Step 6: Final answer
x = 192,565.49
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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.