Finding the Fourth Proportional to 294,126.96, 405,925.20 and 173,305.92
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Solution
The fourth proportional to 294,126.96, 405,925.20 and 173,305.92 is: 239,179.84
Step by Step Solution
- Step 1: Write the proportion equation
294,126.96 : 405,925.20 = 173,305.92 : x - Step 2: Convert to fraction form
294,126.96/405,925.20 = 173,305.92/x - Step 3: Cross multiply
294,126.96x = 405,925.20 × 173,305.92 - Step 4: Simplify right side
294,126.96x = 70,349,240,237.18 - Step 5: Solve for x
x = 70,349,240,237.18/294,126.96 - Step 6: Final answer
x = 239,179.84
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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.