Finding the Fourth Proportional to 440,150.13, 607,409.67 and 258,869.70
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Solution
The fourth proportional to 440,150.13, 607,409.67 and 258,869.70 is: 357,241.65
Step by Step Solution
- Step 1: Write the proportion equation
440,150.13 : 607,409.67 = 258,869.70 : x - Step 2: Convert to fraction form
440,150.13/607,409.67 = 258,869.70/x - Step 3: Cross multiply
440,150.13x = 607,409.67 × 258,869.70 - Step 4: Simplify right side
440,150.13x = 157,239,959,050.00 - Step 5: Solve for x
x = 157,239,959,050.00/440,150.13 - Step 6: Final answer
x = 357,241.65
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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.