Finding the Fourth Proportional to 153,964.36, 212,353.14 and 106,297.48
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Solution
The fourth proportional to 153,964.36, 212,353.14 and 106,297.48 is: 146,609.28
Step by Step Solution
- Step 1: Write the proportion equation
153,964.36 : 212,353.14 = 106,297.48 : x - Step 2: Convert to fraction form
153,964.36/212,353.14 = 106,297.48/x - Step 3: Cross multiply
153,964.36x = 212,353.14 × 106,297.48 - Step 4: Simplify right side
153,964.36x = 22,572,603,652.09 - Step 5: Solve for x
x = 22,572,603,652.09/153,964.36 - Step 6: Final answer
x = 146,609.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.