Finding the Fourth Proportional to 314,103.36, 471,155.04 and 127,246.08
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Solution
The fourth proportional to 314,103.36, 471,155.04 and 127,246.08 is: 190,869.12
Step by Step Solution
- Step 1: Write the proportion equation
314,103.36 : 471,155.04 = 127,246.08 : x - Step 2: Convert to fraction form
314,103.36/471,155.04 = 127,246.08/x - Step 3: Cross multiply
314,103.36x = 471,155.04 × 127,246.08 - Step 4: Simplify right side
314,103.36x = 59,952,631,912.24 - Step 5: Solve for x
x = 59,952,631,912.24/314,103.36 - Step 6: Final answer
x = 190,869.12
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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.