Finding the Fourth Proportional to 227,282.12, 313,663.38 and 125,307.08
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Solution
The fourth proportional to 227,282.12, 313,663.38 and 125,307.08 is: 172,931.52
Step by Step Solution
- Step 1: Write the proportion equation
227,282.12 : 313,663.38 = 125,307.08 : x - Step 2: Convert to fraction form
227,282.12/313,663.38 = 125,307.08/x - Step 3: Cross multiply
227,282.12x = 313,663.38 × 125,307.08 - Step 4: Simplify right side
227,282.12x = 39,304,242,250.73 - Step 5: Solve for x
x = 39,304,242,250.73/227,282.12 - Step 6: Final answer
x = 172,931.52
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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.