Finding the Fourth Proportional to 134,415.42, 201,623.71 and 54,454.95
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Solution
The fourth proportional to 134,415.42, 201,623.71 and 54,454.95 is: 81,682.65
Step by Step Solution
- Step 1: Write the proportion equation
134,415.42 : 201,623.71 = 54,454.95 : x - Step 2: Convert to fraction form
134,415.42/201,623.71 = 54,454.95/x - Step 3: Cross multiply
134,415.42x = 201,623.71 × 54,454.95 - Step 4: Simplify right side
134,415.42x = 10,979,408,009.08 - Step 5: Solve for x
x = 10,979,408,009.08/134,415.42 - Step 6: Final answer
x = 81,682.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.