Finding the Fourth Proportional to 440,319.53, 607,643.28 and 246,727.65
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Solution
The fourth proportional to 440,319.53, 607,643.28 and 246,727.65 is: 340,485.46
Step by Step Solution
- Step 1: Write the proportion equation
440,319.53 : 607,643.28 = 246,727.65 : x - Step 2: Convert to fraction form
440,319.53/607,643.28 = 246,727.65/x - Step 3: Cross multiply
440,319.53x = 607,643.28 × 246,727.65 - Step 4: Simplify right side
440,319.53x = 149,922,398,512.69 - Step 5: Solve for x
x = 149,922,398,512.69/440,319.53 - Step 6: Final answer
x = 340,485.46
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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.