Finding the Fourth Proportional to 217,423.55, 300,058.69 and 125,546.71
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Solution
The fourth proportional to 217,423.55, 300,058.69 and 125,546.71 is: 173,262.65
Step by Step Solution
- Step 1: Write the proportion equation
217,423.55 : 300,058.69 = 125,546.71 : x - Step 2: Convert to fraction form
217,423.55/300,058.69 = 125,546.71/x - Step 3: Cross multiply
217,423.55x = 300,058.69 × 125,546.71 - Step 4: Simplify right side
217,423.55x = 37,671,380,849.72 - Step 5: Solve for x
x = 37,671,380,849.72/217,423.55 - Step 6: Final answer
x = 173,262.65
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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.