Finding the Fourth Proportional to 309,206.90, 463,106.19 and 184,289.78
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Solution
The fourth proportional to 309,206.90, 463,106.19 and 184,289.78 is: 276,014.99
Step by Step Solution
- Step 1: Write the proportion equation
309,206.90 : 463,106.19 = 184,289.78 : x - Step 2: Convert to fraction form
309,206.90/463,106.19 = 184,289.78/x - Step 3: Cross multiply
309,206.90x = 463,106.19 × 184,289.78 - Step 4: Simplify right side
309,206.90x = 85,345,737,871.74 - Step 5: Solve for x
x = 85,345,737,871.74/309,206.90 - Step 6: Final answer
x = 276,014.99
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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.