Finding the Fourth Proportional to 259,123.29, 387,807.06 and 159,346.68
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Solution
The fourth proportional to 259,123.29, 387,807.06 and 159,346.68 is: 238,480.17
Step by Step Solution
- Step 1: Write the proportion equation
259,123.29 : 387,807.06 = 159,346.68 : x - Step 2: Convert to fraction form
259,123.29/387,807.06 = 159,346.68/x - Step 3: Cross multiply
259,123.29x = 387,807.06 × 159,346.68 - Step 4: Simplify right side
259,123.29x = 61,795,767,491.56 - Step 5: Solve for x
x = 61,795,767,491.56/259,123.29 - Step 6: Final answer
x = 238,480.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.