Finding the Fourth Proportional to 178,476.21, 246,281.54 and 101,980.08
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Solution
The fourth proportional to 178,476.21, 246,281.54 and 101,980.08 is: 140,723.58
Step by Step Solution
- Step 1: Write the proportion equation
178,476.21 : 246,281.54 = 101,980.08 : x - Step 2: Convert to fraction form
178,476.21/246,281.54 = 101,980.08/x - Step 3: Cross multiply
178,476.21x = 246,281.54 × 101,980.08 - Step 4: Simplify right side
178,476.21x = 25,115,810,641.82 - Step 5: Solve for x
x = 25,115,810,641.82/178,476.21 - Step 6: Final answer
x = 140,723.58
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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.