Finding the Fourth Proportional to 187,197.98, 258,332.76 and 102,315.68
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Solution
The fourth proportional to 187,197.98, 258,332.76 and 102,315.68 is: 141,195.39
Step by Step Solution
- Step 1: Write the proportion equation
187,197.98 : 258,332.76 = 102,315.68 : x - Step 2: Convert to fraction form
187,197.98/258,332.76 = 102,315.68/x - Step 3: Cross multiply
187,197.98x = 258,332.76 × 102,315.68 - Step 4: Simplify right side
187,197.98x = 26,431,492,005.68 - Step 5: Solve for x
x = 26,431,492,005.68/187,197.98 - Step 6: Final answer
x = 141,195.39
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1.5x scale
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.