Finding the Fourth Proportional to 229,316.13, 316,445.67 and 127,348.07
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Solution
The fourth proportional to 229,316.13, 316,445.67 and 127,348.07 is: 175,734.45
Step by Step Solution
- Step 1: Write the proportion equation
229,316.13 : 316,445.67 = 127,348.07 : x - Step 2: Convert to fraction form
229,316.13/316,445.67 = 127,348.07/x - Step 3: Cross multiply
229,316.13x = 316,445.67 × 127,348.07 - Step 4: Simplify right side
229,316.13x = 40,298,743,752.13 - Step 5: Solve for x
x = 40,298,743,752.13/229,316.13 - Step 6: Final answer
x = 175,734.45
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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.