Finding the Fourth Proportional to 340,700.92, 470,161.36 and 197,474.29
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Solution
The fourth proportional to 340,700.92, 470,161.36 and 197,474.29 is: 272,511.09
Step by Step Solution
- Step 1: Write the proportion equation
340,700.92 : 470,161.36 = 197,474.29 : x - Step 2: Convert to fraction form
340,700.92/470,161.36 = 197,474.29/x - Step 3: Cross multiply
340,700.92x = 470,161.36 × 197,474.29 - Step 4: Simplify right side
340,700.92x = 92,844,779,822.87 - Step 5: Solve for x
x = 92,844,779,822.87/340,700.92 - Step 6: Final answer
x = 272,511.09
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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.