Finding the Fourth Proportional to 164,690.73, 246,847.91 and 74,801.99
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Solution
The fourth proportional to 164,690.73, 246,847.91 and 74,801.99 is: 112,117.51
Step by Step Solution
- Step 1: Write the proportion equation
164,690.73 : 246,847.91 = 74,801.99 : x - Step 2: Convert to fraction form
164,690.73/246,847.91 = 74,801.99/x - Step 3: Cross multiply
164,690.73x = 246,847.91 × 74,801.99 - Step 4: Simplify right side
164,690.73x = 18,464,714,895.34 - Step 5: Solve for x
x = 18,464,714,895.34/164,690.73 - Step 6: Final answer
x = 112,117.51
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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.