Finding the Fourth Proportional to 560,025.36, 772,704.36 and 318,288.96
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Solution
The fourth proportional to 560,025.36, 772,704.36 and 318,288.96 is: 439,164.52
Step by Step Solution
- Step 1: Write the proportion equation
560,025.36 : 772,704.36 = 318,288.96 : x - Step 2: Convert to fraction form
560,025.36/772,704.36 = 318,288.96/x - Step 3: Cross multiply
560,025.36x = 772,704.36 × 318,288.96 - Step 4: Simplify right side
560,025.36x = 245,943,267,131.87 - Step 5: Solve for x
x = 245,943,267,131.87/560,025.36 - Step 6: Final answer
x = 439,164.52
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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.