Finding the Fourth Proportional to 221,050.08, 305,051.40 and 120,448.08
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Solution
The fourth proportional to 221,050.08, 305,051.40 and 120,448.08 is: 166,219.60
Step by Step Solution
- Step 1: Write the proportion equation
221,050.08 : 305,051.40 = 120,448.08 : x - Step 2: Convert to fraction form
221,050.08/305,051.40 = 120,448.08/x - Step 3: Cross multiply
221,050.08x = 305,051.40 × 120,448.08 - Step 4: Simplify right side
221,050.08x = 36,742,855,431.31 - Step 5: Solve for x
x = 36,742,855,431.31/221,050.08 - Step 6: Final answer
x = 166,219.60
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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.