Finding the Fourth Proportional to 340,921.44, 470,376.72 and 197,652.96
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Solution
The fourth proportional to 340,921.44, 470,376.72 and 197,652.96 is: 272,706.08
Step by Step Solution
- Step 1: Write the proportion equation
340,921.44 : 470,376.72 = 197,652.96 : x - Step 2: Convert to fraction form
340,921.44/470,376.72 = 197,652.96/x - Step 3: Cross multiply
340,921.44x = 470,376.72 × 197,652.96 - Step 4: Simplify right side
340,921.44x = 92,971,351,023.09 - Step 5: Solve for x
x = 92,971,351,023.09/340,921.44 - Step 6: Final answer
x = 272,706.08
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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.