Finding the Fourth Proportional to 187,202.66, 258,335.86 and 102,320.34
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Solution
The fourth proportional to 187,202.66, 258,335.86 and 102,320.34 is: 141,199.99
Step by Step Solution
- Step 1: Write the proportion equation
187,202.66 : 258,335.86 = 102,320.34 : x - Step 2: Convert to fraction form
187,202.66/258,335.86 = 102,320.34/x - Step 3: Cross multiply
187,202.66x = 258,335.86 × 102,320.34 - Step 4: Simplify right side
187,202.66x = 26,433,013,029.39 - Step 5: Solve for x
x = 26,433,013,029.39/187,202.66 - Step 6: Final answer
x = 141,199.99
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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.