Finding the Fourth Proportional to 274,280.21, 411,272.38 and 124,438.74
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Solution
The fourth proportional to 274,280.21, 411,272.38 and 124,438.74 is: 186,590.99
Step by Step Solution
- Step 1: Write the proportion equation
274,280.21 : 411,272.38 = 124,438.74 : x - Step 2: Convert to fraction form
274,280.21/411,272.38 = 124,438.74/x - Step 3: Cross multiply
274,280.21x = 411,272.38 × 124,438.74 - Step 4: Simplify right side
274,280.21x = 51,178,216,764.00 - Step 5: Solve for x
x = 51,178,216,764.00/274,280.21 - Step 6: Final answer
x = 186,590.99
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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.