Finding the Fourth Proportional to 340,663.96, 470,116.29 and 197,507.08
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Solution
The fourth proportional to 340,663.96, 470,116.29 and 197,507.08 is: 272,559.79
Step by Step Solution
- Step 1: Write the proportion equation
340,663.96 : 470,116.29 = 197,507.08 : x - Step 2: Convert to fraction form
340,663.96/470,116.29 = 197,507.08/x - Step 3: Cross multiply
340,663.96x = 470,116.29 × 197,507.08 - Step 4: Simplify right side
340,663.96x = 92,851,295,698.33 - Step 5: Solve for x
x = 92,851,295,698.33/340,663.96 - Step 6: Final answer
x = 272,559.79
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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.