Finding the Fourth Proportional to 341,774.46, 512,215.79 and 247,322.79
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Solution
The fourth proportional to 341,774.46, 512,215.79 and 247,322.79 is: 370,661.51
Step by Step Solution
- Step 1: Write the proportion equation
341,774.46 : 512,215.79 = 247,322.79 : x - Step 2: Convert to fraction form
341,774.46/512,215.79 = 247,322.79/x - Step 3: Cross multiply
341,774.46x = 512,215.79 × 247,322.79 - Step 4: Simplify right side
341,774.46x = 126,682,637,028.24 - Step 5: Solve for x
x = 126,682,637,028.24/341,774.46 - Step 6: Final answer
x = 370,661.51
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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.