Finding the Fourth Proportional to 440,403.66, 607,753.71 and 239,201.10
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Solution
The fourth proportional to 440,403.66, 607,753.71 and 239,201.10 is: 330,095.70
Step by Step Solution
- Step 1: Write the proportion equation
440,403.66 : 607,753.71 = 239,201.10 : x - Step 2: Convert to fraction form
440,403.66/607,753.71 = 239,201.10/x - Step 3: Cross multiply
440,403.66x = 607,753.71 × 239,201.10 - Step 4: Simplify right side
440,403.66x = 145,375,355,961.08 - Step 5: Solve for x
x = 145,375,355,961.08/440,403.66 - Step 6: Final answer
x = 330,095.70
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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.