Finding the Fourth Proportional to 187,358.53, 258,560.95 and 102,475.59
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Solution
The fourth proportional to 187,358.53, 258,560.95 and 102,475.59 is: 141,419.69
Step by Step Solution
- Step 1: Write the proportion equation
187,358.53 : 258,560.95 = 102,475.59 : x - Step 2: Convert to fraction form
187,358.53/258,560.95 = 102,475.59/x - Step 3: Cross multiply
187,358.53x = 258,560.95 × 102,475.59 - Step 4: Simplify right side
187,358.53x = 26,496,185,902.21 - Step 5: Solve for x
x = 26,496,185,902.21/187,358.53 - Step 6: Final answer
x = 141,419.69
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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.