Finding the Fourth Proportional to 340,588.14, 470,011.74 and 197,431.26
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Solution
The fourth proportional to 340,588.14, 470,011.74 and 197,431.26 is: 272,455.20
Step by Step Solution
- Step 1: Write the proportion equation
340,588.14 : 470,011.74 = 197,431.26 : x - Step 2: Convert to fraction form
340,588.14/470,011.74 = 197,431.26/x - Step 3: Cross multiply
340,588.14x = 470,011.74 × 197,431.26 - Step 4: Simplify right side
340,588.14x = 92,795,010,042.99 - Step 5: Solve for x
x = 92,795,010,042.99/340,588.14 - Step 6: Final answer
x = 272,455.20
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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.