Finding the Fourth Proportional to 543,036.84, 749,379.36 and 301,314.12
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Solution
The fourth proportional to 543,036.84, 749,379.36 and 301,314.12 is: 415,807.12
Step by Step Solution
- Step 1: Write the proportion equation
543,036.84 : 749,379.36 = 301,314.12 : x - Step 2: Convert to fraction form
543,036.84/749,379.36 = 301,314.12/x - Step 3: Cross multiply
543,036.84x = 749,379.36 × 301,314.12 - Step 4: Simplify right side
543,036.84x = 225,798,582,404.56 - Step 5: Solve for x
x = 225,798,582,404.56/543,036.84 - Step 6: Final answer
x = 415,807.12
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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.