Finding the Fourth Proportional to 274,808.20, 412,212.30 and 97,313.80
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Solution
The fourth proportional to 274,808.20, 412,212.30 and 97,313.80 is: 145,970.70
Step by Step Solution
- Step 1: Write the proportion equation
274,808.20 : 412,212.30 = 97,313.80 : x - Step 2: Convert to fraction form
274,808.20/412,212.30 = 97,313.80/x - Step 3: Cross multiply
274,808.20x = 412,212.30 × 97,313.80 - Step 4: Simplify right side
274,808.20x = 40,113,945,319.74 - Step 5: Solve for x
x = 40,113,945,319.74/274,808.20 - Step 6: Final answer
x = 145,970.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.