Finding the Fourth Proportional to 229,282.74, 316,410.84 and 127,308.42
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Solution
The fourth proportional to 229,282.74, 316,410.84 and 127,308.42 is: 175,685.99
Step by Step Solution
- Step 1: Write the proportion equation
229,282.74 : 316,410.84 = 127,308.42 : x - Step 2: Convert to fraction form
229,282.74/316,410.84 = 127,308.42/x - Step 3: Cross multiply
229,282.74x = 316,410.84 × 127,308.42 - Step 4: Simplify right side
229,282.74x = 40,281,764,111.27 - Step 5: Solve for x
x = 40,281,764,111.27/229,282.74 - Step 6: Final answer
x = 175,685.99
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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.