Finding the Fourth Proportional to 171,355.84, 236,497.18 and 106,835.54
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Solution
The fourth proportional to 171,355.84, 236,497.18 and 106,835.54 is: 147,449.33
Step by Step Solution
- Step 1: Write the proportion equation
171,355.84 : 236,497.18 = 106,835.54 : x - Step 2: Convert to fraction form
171,355.84/236,497.18 = 106,835.54/x - Step 3: Cross multiply
171,355.84x = 236,497.18 × 106,835.54 - Step 4: Simplify right side
171,355.84x = 25,266,303,990.84 - Step 5: Solve for x
x = 25,266,303,990.84/171,355.84 - Step 6: Final answer
x = 147,449.33
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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.