Finding the Fourth Proportional to 230,769.84, 318,462.21 and 130,167.84
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Solution
The fourth proportional to 230,769.84, 318,462.21 and 130,167.84 is: 179,631.52
Step by Step Solution
- Step 1: Write the proportion equation
230,769.84 : 318,462.21 = 130,167.84 : x - Step 2: Convert to fraction form
230,769.84/318,462.21 = 130,167.84/x - Step 3: Cross multiply
230,769.84x = 318,462.21 × 130,167.84 - Step 4: Simplify right side
230,769.84x = 41,453,537,997.33 - Step 5: Solve for x
x = 41,453,537,997.33/230,769.84 - Step 6: Final answer
x = 179,631.52
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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.