Finding the Fourth Proportional to 536,694.76, 805,069.74 and 137,339.08
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Solution
The fourth proportional to 536,694.76, 805,069.74 and 137,339.08 is: 206,015.68
Step by Step Solution
- Step 1: Write the proportion equation
536,694.76 : 805,069.74 = 137,339.08 : x - Step 2: Convert to fraction form
536,694.76/805,069.74 = 137,339.08/x - Step 3: Cross multiply
536,694.76x = 805,069.74 × 137,339.08 - Step 4: Simplify right side
536,694.76x = 110,567,537,427.44 - Step 5: Solve for x
x = 110,567,537,427.44/536,694.76 - Step 6: Final answer
x = 206,015.68
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1.5x scale
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.