Finding the Fourth Proportional to 343,301.28, 473,729.64 and 192,369.12
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Solution
The fourth proportional to 343,301.28, 473,729.64 and 192,369.12 is: 265,454.75
Step by Step Solution
- Step 1: Write the proportion equation
343,301.28 : 473,729.64 = 192,369.12 : x - Step 2: Convert to fraction form
343,301.28/473,729.64 = 192,369.12/x - Step 3: Cross multiply
343,301.28x = 473,729.64 × 192,369.12 - Step 4: Simplify right side
343,301.28x = 91,130,953,964.72 - Step 5: Solve for x
x = 91,130,953,964.72/343,301.28 - Step 6: Final answer
x = 265,454.75
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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.