Finding the Fourth Proportional to 216,507.06, 298,781.73 and 119,709.63
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Solution
The fourth proportional to 216,507.06, 298,781.73 and 119,709.63 is: 165,200.39
Step by Step Solution
- Step 1: Write the proportion equation
216,507.06 : 298,781.73 = 119,709.63 : x - Step 2: Convert to fraction form
216,507.06/298,781.73 = 119,709.63/x - Step 3: Cross multiply
216,507.06x = 298,781.73 × 119,709.63 - Step 4: Simplify right side
216,507.06x = 35,767,050,349.06 - Step 5: Solve for x
x = 35,767,050,349.06/216,507.06 - Step 6: Final answer
x = 165,200.39
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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.