Finding the Fourth Proportional to 440,239.60, 607,533.42 and 239,035.60
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Solution
The fourth proportional to 440,239.60, 607,533.42 and 239,035.60 is: 329,870.63
Step by Step Solution
- Step 1: Write the proportion equation
440,239.60 : 607,533.42 = 239,035.60 : x - Step 2: Convert to fraction form
440,239.60/607,533.42 = 239,035.60/x - Step 3: Cross multiply
440,239.60x = 607,533.42 × 239,035.60 - Step 4: Simplify right side
440,239.60x = 145,222,115,569.75 - Step 5: Solve for x
x = 145,222,115,569.75/440,239.60 - Step 6: Final answer
x = 329,870.63
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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.