Finding the Fourth Proportional to 269,395.68, 371,693.12 and 153,107.52
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Solution
The fourth proportional to 269,395.68, 371,693.12 and 153,107.52 is: 211,246.94
Step by Step Solution
- Step 1: Write the proportion equation
269,395.68 : 371,693.12 = 153,107.52 : x - Step 2: Convert to fraction form
269,395.68/371,693.12 = 153,107.52/x - Step 3: Cross multiply
269,395.68x = 371,693.12 × 153,107.52 - Step 4: Simplify right side
269,395.68x = 56,909,011,804.26 - Step 5: Solve for x
x = 56,909,011,804.26/269,395.68 - Step 6: Final answer
x = 211,246.94
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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.