Finding the Fourth Proportional to 238,354.74, 328,930.52 and 130,926.87
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Solution
The fourth proportional to 238,354.74, 328,930.52 and 130,926.87 is: 180,679.62
Step by Step Solution
- Step 1: Write the proportion equation
238,354.74 : 328,930.52 = 130,926.87 : x - Step 2: Convert to fraction form
238,354.74/328,930.52 = 130,926.87/x - Step 3: Cross multiply
238,354.74x = 328,930.52 × 130,926.87 - Step 4: Simplify right side
238,354.74x = 43,065,842,776.44 - Step 5: Solve for x
x = 43,065,842,776.44/238,354.74 - Step 6: Final answer
x = 180,679.62
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1.5x scale
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.