Finding the Fourth Proportional to 274,330.70, 411,496.05 and 116,866.70
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Solution
The fourth proportional to 274,330.70, 411,496.05 and 116,866.70 is: 175,300.05
Step by Step Solution
- Step 1: Write the proportion equation
274,330.70 : 411,496.05 = 116,866.70 : x - Step 2: Convert to fraction form
274,330.70/411,496.05 = 116,866.70/x - Step 3: Cross multiply
274,330.70x = 411,496.05 × 116,866.70 - Step 4: Simplify right side
274,330.70x = 48,090,185,426.54 - Step 5: Solve for x
x = 48,090,185,426.54/274,330.70 - Step 6: Final answer
x = 175,300.05
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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.