Finding the Fourth Proportional to 266,879.84, 368,305.16 and 146,031.68
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Solution
The fourth proportional to 266,879.84, 368,305.16 and 146,031.68 is: 201,529.73
Step by Step Solution
- Step 1: Write the proportion equation
266,879.84 : 368,305.16 = 146,031.68 : x - Step 2: Convert to fraction form
266,879.84/368,305.16 = 146,031.68/x - Step 3: Cross multiply
266,879.84x = 368,305.16 × 146,031.68 - Step 4: Simplify right side
266,879.84x = 53,784,221,458.07 - Step 5: Solve for x
x = 53,784,221,458.07/266,879.84 - Step 6: Final answer
x = 201,529.73
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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.