Finding the Fourth Proportional to 134,964.80, 202,317.60 and 104,962.40
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Solution
The fourth proportional to 134,964.80, 202,317.60 and 104,962.40 is: 157,342.81
Step by Step Solution
- Step 1: Write the proportion equation
134,964.80 : 202,317.60 = 104,962.40 : x - Step 2: Convert to fraction form
134,964.80/202,317.60 = 104,962.40/x - Step 3: Cross multiply
134,964.80x = 202,317.60 × 104,962.40 - Step 4: Simplify right side
134,964.80x = 21,235,740,858.24 - Step 5: Solve for x
x = 21,235,740,858.24/134,964.80 - Step 6: Final answer
x = 157,342.81
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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.