Finding the Fourth Proportional to 316,094.94, 474,142.77 and 129,106.44
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Solution
The fourth proportional to 316,094.94, 474,142.77 and 129,106.44 is: 193,659.81
Step by Step Solution
- Step 1: Write the proportion equation
316,094.94 : 474,142.77 = 129,106.44 : x - Step 2: Convert to fraction form
316,094.94/474,142.77 = 129,106.44/x - Step 3: Cross multiply
316,094.94x = 474,142.77 × 129,106.44 - Step 4: Simplify right side
316,094.94x = 61,214,885,086.44 - Step 5: Solve for x
x = 61,214,885,086.44/316,094.94 - Step 6: Final answer
x = 193,659.81
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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.