Finding the Fourth Proportional to 454,525.70, 681,989.36 and 238,332.80
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Solution
The fourth proportional to 454,525.70, 681,989.36 and 238,332.80 is: 357,604.50
Step by Step Solution
- Step 1: Write the proportion equation
454,525.70 : 681,989.36 = 238,332.80 : x - Step 2: Convert to fraction form
454,525.70/681,989.36 = 238,332.80/x - Step 3: Cross multiply
454,525.70x = 681,989.36 × 238,332.80 - Step 4: Simplify right side
454,525.70x = 162,540,433,739.01 - Step 5: Solve for x
x = 162,540,433,739.01/454,525.70 - Step 6: Final answer
x = 357,604.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.