Finding the Fourth Proportional to 467,145.63, 644,661.08 and 252,285.75
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Solution
The fourth proportional to 467,145.63, 644,661.08 and 252,285.75 is: 348,154.40
Step by Step Solution
- Step 1: Write the proportion equation
467,145.63 : 644,661.08 = 252,285.75 : x - Step 2: Convert to fraction form
467,145.63/644,661.08 = 252,285.75/x - Step 3: Cross multiply
467,145.63x = 644,661.08 × 252,285.75 - Step 4: Simplify right side
467,145.63x = 162,638,804,654.81 - Step 5: Solve for x
x = 162,638,804,654.81/467,145.63 - Step 6: Final answer
x = 348,154.40
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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.