Finding the Fourth Proportional to 259,106.29, 387,781.56 and 159,329.68
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Solution
The fourth proportional to 259,106.29, 387,781.56 and 159,329.68 is: 238,454.70
Step by Step Solution
- Step 1: Write the proportion equation
259,106.29 : 387,781.56 = 159,329.68 : x - Step 2: Convert to fraction form
259,106.29/387,781.56 = 159,329.68/x - Step 3: Cross multiply
259,106.29x = 387,781.56 × 159,329.68 - Step 4: Simplify right side
259,106.29x = 61,785,111,864.70 - Step 5: Solve for x
x = 61,785,111,864.70/259,106.29 - Step 6: Final answer
x = 238,454.70
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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.