Finding the Fourth Proportional to 227,159.03, 313,480.71 and 130,355.19
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Solution
The fourth proportional to 227,159.03, 313,480.71 and 130,355.19 is: 179,890.88
Step by Step Solution
- Step 1: Write the proportion equation
227,159.03 : 313,480.71 = 130,355.19 : x - Step 2: Convert to fraction form
227,159.03/313,480.71 = 130,355.19/x - Step 3: Cross multiply
227,159.03x = 313,480.71 × 130,355.19 - Step 4: Simplify right side
227,159.03x = 40,863,837,513.38 - Step 5: Solve for x
x = 40,863,837,513.38/227,159.03 - Step 6: Final answer
x = 179,890.88
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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.