Finding the Fourth Proportional to 286,044.08, 429,052.21 and 106,164.55
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Solution
The fourth proportional to 286,044.08, 429,052.21 and 106,164.55 is: 159,241.66
Step by Step Solution
- Step 1: Write the proportion equation
286,044.08 : 429,052.21 = 106,164.55 : x - Step 2: Convert to fraction form
286,044.08/429,052.21 = 106,164.55/x - Step 3: Cross multiply
286,044.08x = 429,052.21 × 106,164.55 - Step 4: Simplify right side
286,044.08x = 45,550,133,463.11 - Step 5: Solve for x
x = 45,550,133,463.11/286,044.08 - Step 6: Final answer
x = 159,241.66
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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.