Finding the Fourth Proportional to 187,626.06, 258,919.47 and 102,746.70
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Solution
The fourth proportional to 187,626.06, 258,919.47 and 102,746.70 is: 141,787.99
Step by Step Solution
- Step 1: Write the proportion equation
187,626.06 : 258,919.47 = 102,746.70 : x - Step 2: Convert to fraction form
187,626.06/258,919.47 = 102,746.70/x - Step 3: Cross multiply
187,626.06x = 258,919.47 × 102,746.70 - Step 4: Simplify right side
187,626.06x = 26,603,121,108.25 - Step 5: Solve for x
x = 26,603,121,108.25/187,626.06 - Step 6: Final answer
x = 141,787.99
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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.