Finding the Fourth Proportional to 239,347.58, 330,298.02 and 131,917.68
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Solution
The fourth proportional to 239,347.58, 330,298.02 and 131,917.68 is: 182,045.50
Step by Step Solution
- Step 1: Write the proportion equation
239,347.58 : 330,298.02 = 131,917.68 : x - Step 2: Convert to fraction form
239,347.58/330,298.02 = 131,917.68/x - Step 3: Cross multiply
239,347.58x = 330,298.02 × 131,917.68 - Step 4: Simplify right side
239,347.58x = 43,572,148,506.99 - Step 5: Solve for x
x = 43,572,148,506.99/239,347.58 - Step 6: Final answer
x = 182,045.50
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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.