Finding the Fourth Proportional to 229,877.18, 317,050.50 and 157,323.08
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Solution
The fourth proportional to 229,877.18, 317,050.50 and 157,323.08 is: 216,982.66
Step by Step Solution
- Step 1: Write the proportion equation
229,877.18 : 317,050.50 = 157,323.08 : x - Step 2: Convert to fraction form
229,877.18/317,050.50 = 157,323.08/x - Step 3: Cross multiply
229,877.18x = 317,050.50 × 157,323.08 - Step 4: Simplify right side
229,877.18x = 49,879,361,175.54 - Step 5: Solve for x
x = 49,879,361,175.54/229,877.18 - Step 6: Final answer
x = 216,982.66
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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.