Finding the Fourth Proportional to 403,353.80, 605,030.70 and 193,401.80
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Solution
The fourth proportional to 403,353.80, 605,030.70 and 193,401.80 is: 290,102.70
Step by Step Solution
- Step 1: Write the proportion equation
403,353.80 : 605,030.70 = 193,401.80 : x - Step 2: Convert to fraction form
403,353.80/605,030.70 = 193,401.80/x - Step 3: Cross multiply
403,353.80x = 605,030.70 × 193,401.80 - Step 4: Simplify right side
403,353.80x = 117,014,026,435.26 - Step 5: Solve for x
x = 117,014,026,435.26/403,353.80 - Step 6: Final answer
x = 290,102.70
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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.