Finding the Fourth Proportional to 338,665.95, 467,379.98 and 187,762.95
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Solution
The fourth proportional to 338,665.95, 467,379.98 and 187,762.95 is: 259,124.50
Step by Step Solution
- Step 1: Write the proportion equation
338,665.95 : 467,379.98 = 187,762.95 : x - Step 2: Convert to fraction form
338,665.95/467,379.98 = 187,762.95/x - Step 3: Cross multiply
338,665.95x = 467,379.98 × 187,762.95 - Step 4: Simplify right side
338,665.95x = 87,756,643,815.74 - Step 5: Solve for x
x = 87,756,643,815.74/338,665.95 - Step 6: Final answer
x = 259,124.50
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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.