Finding the Fourth Proportional to 331,628.58, 457,647.84 and 180,725.58
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Solution
The fourth proportional to 331,628.58, 457,647.84 and 180,725.58 is: 249,401.52
Step by Step Solution
- Step 1: Write the proportion equation
331,628.58 : 457,647.84 = 180,725.58 : x - Step 2: Convert to fraction form
331,628.58/457,647.84 = 180,725.58/x - Step 3: Cross multiply
331,628.58x = 457,647.84 × 180,725.58 - Step 4: Simplify right side
331,628.58x = 82,708,671,319.75 - Step 5: Solve for x
x = 82,708,671,319.75/331,628.58 - Step 6: Final answer
x = 249,401.52
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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.