Finding the Fourth Proportional to 280,350.24, 386,887.37 and 153,023.10
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Solution
The fourth proportional to 280,350.24, 386,887.37 and 153,023.10 is: 211,174.08
Step by Step Solution
- Step 1: Write the proportion equation
280,350.24 : 386,887.37 = 153,023.10 : x - Step 2: Convert to fraction form
280,350.24/386,887.37 = 153,023.10/x - Step 3: Cross multiply
280,350.24x = 386,887.37 × 153,023.10 - Step 4: Simplify right side
280,350.24x = 59,202,703,943.13 - Step 5: Solve for x
x = 59,202,703,943.13/280,350.24 - Step 6: Final answer
x = 211,174.08
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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.