Finding the Fourth Proportional to 387,025.08, 534,107.85 and 214,945.74
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Solution
The fourth proportional to 387,025.08, 534,107.85 and 214,945.74 is: 296,632.47
Step by Step Solution
- Step 1: Write the proportion equation
387,025.08 : 534,107.85 = 214,945.74 : x - Step 2: Convert to fraction form
387,025.08/534,107.85 = 214,945.74/x - Step 3: Cross multiply
387,025.08x = 534,107.85 × 214,945.74 - Step 4: Simplify right side
387,025.08x = 114,804,207,058.06 - Step 5: Solve for x
x = 114,804,207,058.06/387,025.08 - Step 6: Final answer
x = 296,632.47
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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.