Finding the Fourth Proportional to 190,802.43, 286,209.72 and 95,980.82
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Solution
The fourth proportional to 190,802.43, 286,209.72 and 95,980.82 is: 143,974.28
Step by Step Solution
- Step 1: Write the proportion equation
190,802.43 : 286,209.72 = 95,980.82 : x - Step 2: Convert to fraction form
190,802.43/286,209.72 = 95,980.82/x - Step 3: Cross multiply
190,802.43x = 286,209.72 × 95,980.82 - Step 4: Simplify right side
190,802.43x = 27,470,642,186.52 - Step 5: Solve for x
x = 27,470,642,186.52/190,802.43 - Step 6: Final answer
x = 143,974.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.