Finding the Fourth Proportional to 240,246.98, 331,485.83 and 143,432.00
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Solution
The fourth proportional to 240,246.98, 331,485.83 and 143,432.00 is: 197,903.32
Step by Step Solution
- Step 1: Write the proportion equation
240,246.98 : 331,485.83 = 143,432.00 : x - Step 2: Convert to fraction form
240,246.98/331,485.83 = 143,432.00/x - Step 3: Cross multiply
240,246.98x = 331,485.83 × 143,432.00 - Step 4: Simplify right side
240,246.98x = 47,545,674,269.71 - Step 5: Solve for x
x = 47,545,674,269.71/240,246.98 - Step 6: Final answer
x = 197,903.32
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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.