Finding the Fourth Proportional to 387,587.11, 534,749.99 and 226,325.83
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Solution
The fourth proportional to 387,587.11, 534,749.99 and 226,325.83 is: 312,259.44
Step by Step Solution
- Step 1: Write the proportion equation
387,587.11 : 534,749.99 = 226,325.83 : x - Step 2: Convert to fraction form
387,587.11/534,749.99 = 226,325.83/x - Step 3: Cross multiply
387,587.11x = 534,749.99 × 226,325.83 - Step 4: Simplify right side
387,587.11x = 121,027,735,329.24 - Step 5: Solve for x
x = 121,027,735,329.24/387,587.11 - Step 6: Final answer
x = 312,259.44
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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.