Finding the Fourth Proportional to 349,228.03, 481,974.64 and 194,194.79
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Solution
The fourth proportional to 349,228.03, 481,974.64 and 194,194.79 is: 268,011.02
Step by Step Solution
- Step 1: Write the proportion equation
349,228.03 : 481,974.64 = 194,194.79 : x - Step 2: Convert to fraction form
349,228.03/481,974.64 = 194,194.79/x - Step 3: Cross multiply
349,228.03x = 481,974.64 × 194,194.79 - Step 4: Simplify right side
349,228.03x = 93,596,961,217.73 - Step 5: Solve for x
x = 93,596,961,217.73/349,228.03 - Step 6: Final answer
x = 268,011.02
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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.