Finding the Fourth Proportional to 311,882.84, 467,860.88 and 109,417.08
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Solution
The fourth proportional to 311,882.84, 467,860.88 and 109,417.08 is: 164,138.47
Step by Step Solution
- Step 1: Write the proportion equation
311,882.84 : 467,860.88 = 109,417.08 : x - Step 2: Convert to fraction form
311,882.84/467,860.88 = 109,417.08/x - Step 3: Cross multiply
311,882.84x = 467,860.88 × 109,417.08 - Step 4: Simplify right side
311,882.84x = 51,191,971,335.83 - Step 5: Solve for x
x = 51,191,971,335.83/311,882.84 - Step 6: Final answer
x = 164,138.47
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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.