Finding the Fourth Proportional to 388,676.94, 581,698.58 and 239,012.02
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Solution
The fourth proportional to 388,676.94, 581,698.58 and 239,012.02 is: 357,708.26
Step by Step Solution
- Step 1: Write the proportion equation
388,676.94 : 581,698.58 = 239,012.02 : x - Step 2: Convert to fraction form
388,676.94/581,698.58 = 239,012.02/x - Step 3: Cross multiply
388,676.94x = 581,698.58 × 239,012.02 - Step 4: Simplify right side
388,676.94x = 139,032,952,636.93 - Step 5: Solve for x
x = 139,032,952,636.93/388,676.94 - Step 6: Final answer
x = 357,708.26
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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.