Finding the Fourth Proportional to 270,491.55, 405,774.25 and 112,683.09
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Solution
The fourth proportional to 270,491.55, 405,774.25 and 112,683.09 is: 169,040.02
Step by Step Solution
- Step 1: Write the proportion equation
270,491.55 : 405,774.25 = 112,683.09 : x - Step 2: Convert to fraction form
270,491.55/405,774.25 = 112,683.09/x - Step 3: Cross multiply
270,491.55x = 405,774.25 × 112,683.09 - Step 4: Simplify right side
270,491.55x = 45,723,897,572.38 - Step 5: Solve for x
x = 45,723,897,572.38/270,491.55 - Step 6: Final answer
x = 169,040.02
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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.