Finding the Fourth Proportional to 229,174.68, 316,256.25 and 127,194.21
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Solution
The fourth proportional to 229,174.68, 316,256.25 and 127,194.21 is: 175,525.34
Step by Step Solution
- Step 1: Write the proportion equation
229,174.68 : 316,256.25 = 127,194.21 : x - Step 2: Convert to fraction form
229,174.68/316,256.25 = 127,194.21/x - Step 3: Cross multiply
229,174.68x = 316,256.25 × 127,194.21 - Step 4: Simplify right side
229,174.68x = 40,225,963,876.31 - Step 5: Solve for x
x = 40,225,963,876.31/229,174.68 - Step 6: Final answer
x = 175,525.34
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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.