Finding the Fourth Proportional to 164,214.65, 226,530.17 and 142,655.99
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Solution
The fourth proportional to 164,214.65, 226,530.17 and 142,655.99 is: 196,790.51
Step by Step Solution
- Step 1: Write the proportion equation
164,214.65 : 226,530.17 = 142,655.99 : x - Step 2: Convert to fraction form
164,214.65/226,530.17 = 142,655.99/x - Step 3: Cross multiply
164,214.65x = 226,530.17 × 142,655.99 - Step 4: Simplify right side
164,214.65x = 32,315,883,820.29 - Step 5: Solve for x
x = 32,315,883,820.29/164,214.65 - Step 6: Final answer
x = 196,790.51
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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.