Finding the Fourth Proportional to 194,875.40, 292,313.10 and 155,217.80
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Solution
The fourth proportional to 194,875.40, 292,313.10 and 155,217.80 is: 232,826.70
Step by Step Solution
- Step 1: Write the proportion equation
194,875.40 : 292,313.10 = 155,217.80 : x - Step 2: Convert to fraction form
194,875.40/292,313.10 = 155,217.80/x - Step 3: Cross multiply
194,875.40x = 292,313.10 × 155,217.80 - Step 4: Simplify right side
194,875.40x = 45,372,196,293.18 - Step 5: Solve for x
x = 45,372,196,293.18/194,875.40 - Step 6: Final answer
x = 232,826.70
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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.