Finding the Fourth Proportional to 229,878.18, 317,051.88 and 157,324.08
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Solution
The fourth proportional to 229,878.18, 317,051.88 and 157,324.08 is: 216,984.04
Step by Step Solution
- Step 1: Write the proportion equation
229,878.18 : 317,051.88 = 157,324.08 : x - Step 2: Convert to fraction form
229,878.18/317,051.88 = 157,324.08/x - Step 3: Cross multiply
229,878.18x = 317,051.88 × 157,324.08 - Step 4: Simplify right side
229,878.18x = 49,879,895,333.27 - Step 5: Solve for x
x = 49,879,895,333.27/229,878.18 - Step 6: Final answer
x = 216,984.04
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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.