Finding the Fourth Proportional to 536,289.21, 804,433.07 and 136,930.05
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Solution
The fourth proportional to 536,289.21, 804,433.07 and 136,930.05 is: 205,394.89
Step by Step Solution
- Step 1: Write the proportion equation
536,289.21 : 804,433.07 = 136,930.05 : x - Step 2: Convert to fraction form
536,289.21/804,433.07 = 136,930.05/x - Step 3: Cross multiply
536,289.21x = 804,433.07 × 136,930.05 - Step 4: Simplify right side
536,289.21x = 110,151,060,839.08 - Step 5: Solve for x
x = 110,151,060,839.08/536,289.21 - Step 6: Final answer
x = 205,394.89
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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.