Finding the Fourth Proportional to 329,050.74, 493,478.02 and 139,508.06
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Solution
The fourth proportional to 329,050.74, 493,478.02 and 139,508.06 is: 209,220.50
Step by Step Solution
- Step 1: Write the proportion equation
329,050.74 : 493,478.02 = 139,508.06 : x - Step 2: Convert to fraction form
329,050.74/493,478.02 = 139,508.06/x - Step 3: Cross multiply
329,050.74x = 493,478.02 × 139,508.06 - Step 4: Simplify right side
329,050.74x = 68,844,161,222.84 - Step 5: Solve for x
x = 68,844,161,222.84/329,050.74 - Step 6: Final answer
x = 209,220.50
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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.