Finding the Fourth Proportional to 157,206.93, 216,950.07 and 85,588.14
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Solution
The fourth proportional to 157,206.93, 216,950.07 and 85,588.14 is: 118,114.09
Step by Step Solution
- Step 1: Write the proportion equation
157,206.93 : 216,950.07 = 85,588.14 : x - Step 2: Convert to fraction form
157,206.93/216,950.07 = 85,588.14/x - Step 3: Cross multiply
157,206.93x = 216,950.07 × 85,588.14 - Step 4: Simplify right side
157,206.93x = 18,568,352,964.17 - Step 5: Solve for x
x = 18,568,352,964.17/157,206.93 - Step 6: Final answer
x = 118,114.09
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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.