Finding the Fourth Proportional to 440,410.60, 607,748.58 and 239,202.28
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Solution
The fourth proportional to 440,410.60, 607,748.58 and 239,202.28 is: 330,089.34
Step by Step Solution
- Step 1: Write the proportion equation
440,410.60 : 607,748.58 = 239,202.28 : x - Step 2: Convert to fraction form
440,410.60/607,748.58 = 239,202.28/x - Step 3: Cross multiply
440,410.60x = 607,748.58 × 239,202.28 - Step 4: Simplify right side
440,410.60x = 145,374,846,002.76 - Step 5: Solve for x
x = 145,374,846,002.76/440,410.60 - Step 6: Final answer
x = 330,089.34
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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.