Finding the Fourth Proportional to 194,165.70, 291,248.55 and 69,461.70
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Solution
The fourth proportional to 194,165.70, 291,248.55 and 69,461.70 is: 104,192.55
Step by Step Solution
- Step 1: Write the proportion equation
194,165.70 : 291,248.55 = 69,461.70 : x - Step 2: Convert to fraction form
194,165.70/291,248.55 = 69,461.70/x - Step 3: Cross multiply
194,165.70x = 291,248.55 × 69,461.70 - Step 4: Simplify right side
194,165.70x = 20,230,619,405.54 - Step 5: Solve for x
x = 20,230,619,405.54/194,165.70 - Step 6: Final answer
x = 104,192.55
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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.