Finding the Fourth Proportional to 440,187.16, 607,460.76 and 258,906.70
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Solution
The fourth proportional to 440,187.16, 607,460.76 and 258,906.70 is: 357,292.70
Step by Step Solution
- Step 1: Write the proportion equation
440,187.16 : 607,460.76 = 258,906.70 : x - Step 2: Convert to fraction form
440,187.16/607,460.76 = 258,906.70/x - Step 3: Cross multiply
440,187.16x = 607,460.76 × 258,906.70 - Step 4: Simplify right side
440,187.16x = 157,275,660,751.09 - Step 5: Solve for x
x = 157,275,660,751.09/440,187.16 - Step 6: Final answer
x = 357,292.70
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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.