Finding the Fourth Proportional to 188,506.08, 260,135.44 and 103,621.32
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Solution
The fourth proportional to 188,506.08, 260,135.44 and 103,621.32 is: 142,995.80
Step by Step Solution
- Step 1: Write the proportion equation
188,506.08 : 260,135.44 = 103,621.32 : x - Step 2: Convert to fraction form
188,506.08/260,135.44 = 103,621.32/x - Step 3: Cross multiply
188,506.08x = 260,135.44 × 103,621.32 - Step 4: Simplify right side
188,506.08x = 26,955,577,671.58 - Step 5: Solve for x
x = 26,955,577,671.58/188,506.08 - Step 6: Final answer
x = 142,995.80
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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.