Finding the Fourth Proportional to 207,856.06, 286,837.36 and 117,210.38
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Solution
The fourth proportional to 207,856.06, 286,837.36 and 117,210.38 is: 161,748.07
Step by Step Solution
- Step 1: Write the proportion equation
207,856.06 : 286,837.36 = 117,210.38 : x - Step 2: Convert to fraction form
207,856.06/286,837.36 = 117,210.38/x - Step 3: Cross multiply
207,856.06x = 286,837.36 × 117,210.38 - Step 4: Simplify right side
207,856.06x = 33,620,315,963.80 - Step 5: Solve for x
x = 33,620,315,963.80/207,856.06 - Step 6: Final answer
x = 161,748.07
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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.