Finding the Fourth Proportional to 134,464.80, 201,259.80 and 104,721.60
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Solution
The fourth proportional to 134,464.80, 201,259.80 and 104,721.60 is: 156,741.75
Step by Step Solution
- Step 1: Write the proportion equation
134,464.80 : 201,259.80 = 104,721.60 : x - Step 2: Convert to fraction form
134,464.80/201,259.80 = 104,721.60/x - Step 3: Cross multiply
134,464.80x = 201,259.80 × 104,721.60 - Step 4: Simplify right side
134,464.80x = 21,076,248,271.68 - Step 5: Solve for x
x = 21,076,248,271.68/134,464.80 - Step 6: Final answer
x = 156,741.75
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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.