Finding the Fourth Proportional to 242,422.41, 334,542.91 and 140,506.99
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Solution
The fourth proportional to 242,422.41, 334,542.91 and 140,506.99 is: 193,899.64
Step by Step Solution
- Step 1: Write the proportion equation
242,422.41 : 334,542.91 = 140,506.99 : x - Step 2: Convert to fraction form
242,422.41/334,542.91 = 140,506.99/x - Step 3: Cross multiply
242,422.41x = 334,542.91 × 140,506.99 - Step 4: Simplify right side
242,422.41x = 47,005,617,309.94 - Step 5: Solve for x
x = 47,005,617,309.94/242,422.41 - Step 6: Final answer
x = 193,899.64
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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.