Finding the Fourth Proportional to 255,984.58, 383,950.95 and 69,014.98
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Solution
The fourth proportional to 255,984.58, 383,950.95 and 69,014.98 is: 103,515.48
Step by Step Solution
- Step 1: Write the proportion equation
255,984.58 : 383,950.95 = 69,014.98 : x - Step 2: Convert to fraction form
255,984.58/383,950.95 = 69,014.98/x - Step 3: Cross multiply
255,984.58x = 383,950.95 × 69,014.98 - Step 4: Simplify right side
255,984.58x = 26,498,367,135.23 - Step 5: Solve for x
x = 26,498,367,135.23/255,984.58 - Step 6: Final answer
x = 103,515.48
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1.5x scale
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.