Finding the Fourth Proportional to 180,331.62, 248,876.12 and 103,853.58
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Solution
The fourth proportional to 180,331.62, 248,876.12 and 103,853.58 is: 143,328.59
Step by Step Solution
- Step 1: Write the proportion equation
180,331.62 : 248,876.12 = 103,853.58 : x - Step 2: Convert to fraction form
180,331.62/248,876.12 = 103,853.58/x - Step 3: Cross multiply
180,331.62x = 248,876.12 × 103,853.58 - Step 4: Simplify right side
180,331.62x = 25,846,676,298.14 - Step 5: Solve for x
x = 25,846,676,298.14/180,331.62 - Step 6: Final answer
x = 143,328.59
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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.