Finding the Fourth Proportional to 201,934.08, 278,670.24 and 112,510.08
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Solution
The fourth proportional to 201,934.08, 278,670.24 and 112,510.08 is: 155,264.58
Step by Step Solution
- Step 1: Write the proportion equation
201,934.08 : 278,670.24 = 112,510.08 : x - Step 2: Convert to fraction form
201,934.08/278,670.24 = 112,510.08/x - Step 3: Cross multiply
201,934.08x = 278,670.24 × 112,510.08 - Step 4: Simplify right side
201,934.08x = 31,353,210,996.02 - Step 5: Solve for x
x = 31,353,210,996.02/201,934.08 - Step 6: Final answer
x = 155,264.58
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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.