Finding the Fourth Proportional to 274,875.70, 412,313.55 and 164,283.70
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Solution
The fourth proportional to 274,875.70, 412,313.55 and 164,283.70 is: 246,425.55
Step by Step Solution
- Step 1: Write the proportion equation
274,875.70 : 412,313.55 = 164,283.70 : x - Step 2: Convert to fraction form
274,875.70/412,313.55 = 164,283.70/x - Step 3: Cross multiply
274,875.70x = 412,313.55 × 164,283.70 - Step 4: Simplify right side
274,875.70x = 67,736,395,554.14 - Step 5: Solve for x
x = 67,736,395,554.14/274,875.70 - Step 6: Final answer
x = 246,425.55
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1.5x scale
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.