Finding the Fourth Proportional to 823,390.10, 1,235,200.35 and 350,071.70
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Solution
The fourth proportional to 823,390.10, 1,235,200.35 and 350,071.70 is: 525,156.53
Step by Step Solution
- Step 1: Write the proportion equation
823,390.10 : 1,235,200.35 = 350,071.70 : x - Step 2: Convert to fraction form
823,390.10/1,235,200.35 = 350,071.70/x - Step 3: Cross multiply
823,390.10x = 1,235,200.35 × 350,071.70 - Step 4: Simplify right side
823,390.10x = 432,408,686,365.10 - Step 5: Solve for x
x = 432,408,686,365.10/823,390.10 - Step 6: Final answer
x = 525,156.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.