Finding the Fourth Proportional to 229,878.99, 317,247.26 and 127,927.17
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Solution
The fourth proportional to 229,878.99, 317,247.26 and 127,927.17 is: 176,547.42
Step by Step Solution
- Step 1: Write the proportion equation
229,878.99 : 317,247.26 = 127,927.17 : x - Step 2: Convert to fraction form
229,878.99/317,247.26 = 127,927.17/x - Step 3: Cross multiply
229,878.99x = 317,247.26 × 127,927.17 - Step 4: Simplify right side
229,878.99x = 40,584,543,522.42 - Step 5: Solve for x
x = 40,584,543,522.42/229,878.99 - Step 6: Final answer
x = 176,547.42
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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.