Finding the Fourth Proportional to 187,776.40, 259,125.98 and 110,250.74
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Solution
The fourth proportional to 187,776.40, 259,125.98 and 110,250.74 is: 152,142.82
Step by Step Solution
- Step 1: Write the proportion equation
187,776.40 : 259,125.98 = 110,250.74 : x - Step 2: Convert to fraction form
187,776.40/259,125.98 = 110,250.74/x - Step 3: Cross multiply
187,776.40x = 259,125.98 × 110,250.74 - Step 4: Simplify right side
187,776.40x = 28,568,831,048.23 - Step 5: Solve for x
x = 28,568,831,048.23/187,776.40 - Step 6: Final answer
x = 152,142.82
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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.