Finding the Fourth Proportional to 257,220.29, 354,845.84 and 166,606.52
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Solution
The fourth proportional to 257,220.29, 354,845.84 and 166,606.52 is: 229,840.46
Step by Step Solution
- Step 1: Write the proportion equation
257,220.29 : 354,845.84 = 166,606.52 : x - Step 2: Convert to fraction form
257,220.29/354,845.84 = 166,606.52/x - Step 3: Cross multiply
257,220.29x = 354,845.84 × 166,606.52 - Step 4: Simplify right side
257,220.29x = 59,119,627,931.62 - Step 5: Solve for x
x = 59,119,627,931.62/257,220.29 - Step 6: Final answer
x = 229,840.46
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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.