Finding the Fourth Proportional to 187,207.40, 258,346.86 and 102,325.88
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Solution
The fourth proportional to 187,207.40, 258,346.86 and 102,325.88 is: 141,210.07
Step by Step Solution
- Step 1: Write the proportion equation
187,207.40 : 258,346.86 = 102,325.88 : x - Step 2: Convert to fraction form
187,207.40/258,346.86 = 102,325.88/x - Step 3: Cross multiply
187,207.40x = 258,346.86 × 102,325.88 - Step 4: Simplify right side
187,207.40x = 26,435,569,794.74 - Step 5: Solve for x
x = 26,435,569,794.74/187,207.40 - Step 6: Final answer
x = 141,210.07
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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.