Finding the Fourth Proportional to 157,246.08, 216,998.08 and 85,625.92
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Solution
The fourth proportional to 157,246.08, 216,998.08 and 85,625.92 is: 118,162.95
Step by Step Solution
- Step 1: Write the proportion equation
157,246.08 : 216,998.08 = 85,625.92 : x - Step 2: Convert to fraction form
157,246.08/216,998.08 = 85,625.92/x - Step 3: Cross multiply
157,246.08x = 216,998.08 × 85,625.92 - Step 4: Simplify right side
157,246.08x = 18,580,660,238.23 - Step 5: Solve for x
x = 18,580,660,238.23/157,246.08 - Step 6: Final answer
x = 118,162.95
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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.