Finding the Fourth Proportional to 266,967.78, 368,410.62 and 146,106.66
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Solution
The fourth proportional to 266,967.78, 368,410.62 and 146,106.66 is: 201,624.50
Step by Step Solution
- Step 1: Write the proportion equation
266,967.78 : 368,410.62 = 146,106.66 : x - Step 2: Convert to fraction form
266,967.78/368,410.62 = 146,106.66/x - Step 3: Cross multiply
266,967.78x = 368,410.62 × 146,106.66 - Step 4: Simplify right side
266,967.78x = 53,827,245,196.73 - Step 5: Solve for x
x = 53,827,245,196.73/266,967.78 - Step 6: Final answer
x = 201,624.50
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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.