Finding the Fourth Proportional to 440,384.22, 607,731.42 and 259,102.98
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Solution
The fourth proportional to 440,384.22, 607,731.42 and 259,102.98 is: 357,562.82
Step by Step Solution
- Step 1: Write the proportion equation
440,384.22 : 607,731.42 = 259,102.98 : x - Step 2: Convert to fraction form
440,384.22/607,731.42 = 259,102.98/x - Step 3: Cross multiply
440,384.22x = 607,731.42 × 259,102.98 - Step 4: Simplify right side
440,384.22x = 157,465,021,961.63 - Step 5: Solve for x
x = 157,465,021,961.63/440,384.22 - Step 6: Final answer
x = 357,562.82
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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.