Finding the Fourth Proportional to 201,209.36, 301,767.24 and 74,909.12
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Solution
The fourth proportional to 201,209.36, 301,767.24 and 74,909.12 is: 112,346.26
Step by Step Solution
- Step 1: Write the proportion equation
201,209.36 : 301,767.24 = 74,909.12 : x - Step 2: Convert to fraction form
201,209.36/301,767.24 = 74,909.12/x - Step 3: Cross multiply
201,209.36x = 301,767.24 × 74,909.12 - Step 4: Simplify right side
201,209.36x = 22,605,118,393.23 - Step 5: Solve for x
x = 22,605,118,393.23/201,209.36 - Step 6: Final answer
x = 112,346.26
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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.