Finding the Fourth Proportional to 291,758.76, 402,378.84 and 201,259.08
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Solution
The fourth proportional to 291,758.76, 402,378.84 and 201,259.08 is: 277,566.29
Step by Step Solution
- Step 1: Write the proportion equation
291,758.76 : 402,378.84 = 201,259.08 : x - Step 2: Convert to fraction form
291,758.76/402,378.84 = 201,259.08/x - Step 3: Cross multiply
291,758.76x = 402,378.84 × 201,259.08 - Step 4: Simplify right side
291,758.76x = 80,982,395,149.87 - Step 5: Solve for x
x = 80,982,395,149.87/291,758.76 - Step 6: Final answer
x = 277,566.29
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1.5x scale
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.