Finding the Fourth Proportional to 143,883.36, 215,848.08 and 60,778.08
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Solution
The fourth proportional to 143,883.36, 215,848.08 and 60,778.08 is: 91,176.85
Step by Step Solution
- Step 1: Write the proportion equation
143,883.36 : 215,848.08 = 60,778.08 : x - Step 2: Convert to fraction form
143,883.36/215,848.08 = 60,778.08/x - Step 3: Cross multiply
143,883.36x = 215,848.08 × 60,778.08 - Step 4: Simplify right side
143,883.36x = 13,118,831,874.09 - Step 5: Solve for x
x = 13,118,831,874.09/143,883.36 - Step 6: Final answer
x = 91,176.85
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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.