Finding the Fourth Proportional to 356,744.32, 492,329.28 and 197,768.32
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Solution
The fourth proportional to 356,744.32, 492,329.28 and 197,768.32 is: 272,932.54
Step by Step Solution
- Step 1: Write the proportion equation
356,744.32 : 492,329.28 = 197,768.32 : x - Step 2: Convert to fraction form
356,744.32/492,329.28 = 197,768.32/x - Step 3: Cross multiply
356,744.32x = 492,329.28 × 197,768.32 - Step 4: Simplify right side
356,744.32x = 97,367,134,592.41 - Step 5: Solve for x
x = 97,367,134,592.41/356,744.32 - Step 6: Final answer
x = 272,932.54
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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.