Finding the Fourth Proportional to 316,722.24, 437,076.88 and 173,484.68
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Solution
The fourth proportional to 316,722.24, 437,076.88 and 173,484.68 is: 239,408.96
Step by Step Solution
- Step 1: Write the proportion equation
316,722.24 : 437,076.88 = 173,484.68 : x - Step 2: Convert to fraction form
316,722.24/437,076.88 = 173,484.68/x - Step 3: Cross multiply
316,722.24x = 437,076.88 × 173,484.68 - Step 4: Simplify right side
316,722.24x = 75,826,142,662.20 - Step 5: Solve for x
x = 75,826,142,662.20/316,722.24 - Step 6: Final answer
x = 239,408.96
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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.