Finding the Fourth Proportional to 341,467.20, 471,004.80 and 207,331.20
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Solution
The fourth proportional to 341,467.20, 471,004.80 and 207,331.20 is: 285,983.52
Step by Step Solution
- Step 1: Write the proportion equation
341,467.20 : 471,004.80 = 207,331.20 : x - Step 2: Convert to fraction form
341,467.20/471,004.80 = 207,331.20/x - Step 3: Cross multiply
341,467.20x = 471,004.80 × 207,331.20 - Step 4: Simplify right side
341,467.20x = 97,653,990,389.76 - Step 5: Solve for x
x = 97,653,990,389.76/341,467.20 - Step 6: Final answer
x = 285,983.52
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1.5x scale
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.