Finding the Fourth Proportional to 543,037.84, 749,380.74 and 301,315.12
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Solution
The fourth proportional to 543,037.84, 749,380.74 and 301,315.12 is: 415,808.50
Step by Step Solution
- Step 1: Write the proportion equation
543,037.84 : 749,380.74 = 301,315.12 : x - Step 2: Convert to fraction form
543,037.84/749,380.74 = 301,315.12/x - Step 3: Cross multiply
543,037.84x = 749,380.74 × 301,315.12 - Step 4: Simplify right side
543,037.84x = 225,799,747,598.79 - Step 5: Solve for x
x = 225,799,747,598.79/543,037.84 - Step 6: Final answer
x = 415,808.50
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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.