Finding the Fourth Proportional to 150,202.44, 207,331.12 and 86,565.60
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Solution
The fourth proportional to 150,202.44, 207,331.12 and 86,565.60 is: 119,490.35
Step by Step Solution
- Step 1: Write the proportion equation
150,202.44 : 207,331.12 = 86,565.60 : x - Step 2: Convert to fraction form
150,202.44/207,331.12 = 86,565.60/x - Step 3: Cross multiply
150,202.44x = 207,331.12 × 86,565.60 - Step 4: Simplify right side
150,202.44x = 17,947,742,801.47 - Step 5: Solve for x
x = 17,947,742,801.47/150,202.44 - Step 6: Final answer
x = 119,490.35
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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.