Finding the Fourth Proportional to 353,775.80, 488,219.34 and 192,639.68
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Solution
The fourth proportional to 353,775.80, 488,219.34 and 192,639.68 is: 265,847.52
Step by Step Solution
- Step 1: Write the proportion equation
353,775.80 : 488,219.34 = 192,639.68 : x - Step 2: Convert to fraction form
353,775.80/488,219.34 = 192,639.68/x - Step 3: Cross multiply
353,775.80x = 488,219.34 × 192,639.68 - Step 4: Simplify right side
353,775.80x = 94,050,417,427.41 - Step 5: Solve for x
x = 94,050,417,427.41/353,775.80 - Step 6: Final answer
x = 265,847.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.