Finding the Fourth Proportional to 256,246.34, 384,368.90 and 69,257.84
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Solution
The fourth proportional to 256,246.34, 384,368.90 and 69,257.84 is: 103,886.59
Step by Step Solution
- Step 1: Write the proportion equation
256,246.34 : 384,368.90 = 69,257.84 : x - Step 2: Convert to fraction form
256,246.34/384,368.90 = 69,257.84/x - Step 3: Cross multiply
256,246.34x = 384,368.90 × 69,257.84 - Step 4: Simplify right side
256,246.34x = 26,620,557,509.04 - Step 5: Solve for x
x = 26,620,557,509.04/256,246.34 - Step 6: Final answer
x = 103,886.59
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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.