Finding the Fourth Proportional to 201,420.86, 277,967.75 and 110,783.68
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Solution
The fourth proportional to 201,420.86, 277,967.75 and 110,783.68 is: 152,885.31
Step by Step Solution
- Step 1: Write the proportion equation
201,420.86 : 277,967.75 = 110,783.68 : x - Step 2: Convert to fraction form
201,420.86/277,967.75 = 110,783.68/x - Step 3: Cross multiply
201,420.86x = 277,967.75 × 110,783.68 - Step 4: Simplify right side
201,420.86x = 30,794,289,017.48 - Step 5: Solve for x
x = 30,794,289,017.48/201,420.86 - Step 6: Final answer
x = 152,885.31
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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.