Finding the Fourth Proportional to 294,769.20, 442,153.80 and 97,777.20
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Solution
The fourth proportional to 294,769.20, 442,153.80 and 97,777.20 is: 146,665.80
Step by Step Solution
- Step 1: Write the proportion equation
294,769.20 : 442,153.80 = 97,777.20 : x - Step 2: Convert to fraction form
294,769.20/442,153.80 = 97,777.20/x - Step 3: Cross multiply
294,769.20x = 442,153.80 × 97,777.20 - Step 4: Simplify right side
294,769.20x = 43,232,560,533.36 - Step 5: Solve for x
x = 43,232,560,533.36/294,769.20 - Step 6: Final answer
x = 146,665.80
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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.