Finding the Fourth Proportional to 187,513.11, 258,768.77 and 101,472.08
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Solution
The fourth proportional to 187,513.11, 258,768.77 and 101,472.08 is: 140,031.83
Step by Step Solution
- Step 1: Write the proportion equation
187,513.11 : 258,768.77 = 101,472.08 : x - Step 2: Convert to fraction form
187,513.11/258,768.77 = 101,472.08/x - Step 3: Cross multiply
187,513.11x = 258,768.77 × 101,472.08 - Step 4: Simplify right side
187,513.11x = 26,257,803,529.74 - Step 5: Solve for x
x = 26,257,803,529.74/187,513.11 - Step 6: Final answer
x = 140,031.83
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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.