Finding the Fourth Proportional to 121,317.30, 181,981.35 and 41,354.10
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Solution
The fourth proportional to 121,317.30, 181,981.35 and 41,354.10 is: 62,032.99
Step by Step Solution
- Step 1: Write the proportion equation
121,317.30 : 181,981.35 = 41,354.10 : x - Step 2: Convert to fraction form
121,317.30/181,981.35 = 41,354.10/x - Step 3: Cross multiply
121,317.30x = 181,981.35 × 41,354.10 - Step 4: Simplify right side
121,317.30x = 7,525,674,946.04 - Step 5: Solve for x
x = 7,525,674,946.04/121,317.30 - Step 6: Final answer
x = 62,032.99
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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.