Finding the Fourth Proportional to 206,417.68, 284,707.12 and 125,848.60
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Solution
The fourth proportional to 206,417.68, 284,707.12 and 125,848.60 is: 173,580.06
Step by Step Solution
- Step 1: Write the proportion equation
206,417.68 : 284,707.12 = 125,848.60 : x - Step 2: Convert to fraction form
206,417.68/284,707.12 = 125,848.60/x - Step 3: Cross multiply
206,417.68x = 284,707.12 × 125,848.60 - Step 4: Simplify right side
206,417.68x = 35,829,992,462.03 - Step 5: Solve for x
x = 35,829,992,462.03/206,417.68 - Step 6: Final answer
x = 173,580.06
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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.