Finding the Fourth Proportional to 146,005.99, 201,415.85 and 94,305.31
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Solution
The fourth proportional to 146,005.99, 201,415.85 and 94,305.31 is: 130,094.55
Step by Step Solution
- Step 1: Write the proportion equation
146,005.99 : 201,415.85 = 94,305.31 : x - Step 2: Convert to fraction form
146,005.99/201,415.85 = 94,305.31/x - Step 3: Cross multiply
146,005.99x = 201,415.85 × 94,305.31 - Step 4: Simplify right side
146,005.99x = 18,994,583,551.74 - Step 5: Solve for x
x = 18,994,583,551.74/146,005.99 - Step 6: Final answer
x = 130,094.55
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1.5x scale
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.