Finding the Fourth Proportional to 192,309.13, 265,385.94 and 106,265.71
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Solution
The fourth proportional to 192,309.13, 265,385.94 and 106,265.71 is: 146,646.32
Step by Step Solution
- Step 1: Write the proportion equation
192,309.13 : 265,385.94 = 106,265.71 : x - Step 2: Convert to fraction form
192,309.13/265,385.94 = 106,265.71/x - Step 3: Cross multiply
192,309.13x = 265,385.94 × 106,265.71 - Step 4: Simplify right side
192,309.13x = 28,201,424,806.79 - Step 5: Solve for x
x = 28,201,424,806.79/192,309.13 - Step 6: Final answer
x = 146,646.32
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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.