Finding the Fourth Proportional to 159,043.77, 238,565.75 and 74,742.08
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Solution
The fourth proportional to 159,043.77, 238,565.75 and 74,742.08 is: 112,113.15
Step by Step Solution
- Step 1: Write the proportion equation
159,043.77 : 238,565.75 = 74,742.08 : x - Step 2: Convert to fraction form
159,043.77/238,565.75 = 74,742.08/x - Step 3: Cross multiply
159,043.77x = 238,565.75 × 74,742.08 - Step 4: Simplify right side
159,043.77x = 17,830,898,805.22 - Step 5: Solve for x
x = 17,830,898,805.22/159,043.77 - Step 6: Final answer
x = 112,113.15
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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.