Finding the Fourth Proportional to 369,745.08, 554,617.59 and 120,427.08
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Solution
The fourth proportional to 369,745.08, 554,617.59 and 120,427.08 is: 180,640.61
Step by Step Solution
- Step 1: Write the proportion equation
369,745.08 : 554,617.59 = 120,427.08 : x - Step 2: Convert to fraction form
369,745.08/554,617.59 = 120,427.08/x - Step 3: Cross multiply
369,745.08x = 554,617.59 × 120,427.08 - Step 4: Simplify right side
369,745.08x = 66,790,976,880.34 - Step 5: Solve for x
x = 66,790,976,880.34/369,745.08 - Step 6: Final answer
x = 180,640.61
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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.