Finding the Fourth Proportional to 266,965.68, 368,412.79 and 146,106.90
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Solution
The fourth proportional to 266,965.68, 368,412.79 and 146,106.90 is: 201,627.60
Step by Step Solution
- Step 1: Write the proportion equation
266,965.68 : 368,412.79 = 146,106.90 : x - Step 2: Convert to fraction form
266,965.68/368,412.79 = 146,106.90/x - Step 3: Cross multiply
266,965.68x = 368,412.79 × 146,106.90 - Step 4: Simplify right side
266,965.68x = 53,827,650,667.25 - Step 5: Solve for x
x = 53,827,650,667.25/266,965.68 - Step 6: Final answer
x = 201,627.60
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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.