Finding the Fourth Proportional to 743,588.64, 1,115,409.12 and 238,164.96
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Solution
The fourth proportional to 743,588.64, 1,115,409.12 and 238,164.96 is: 357,255.82
Step by Step Solution
- Step 1: Write the proportion equation
743,588.64 : 1,115,409.12 = 238,164.96 : x - Step 2: Convert to fraction form
743,588.64/1,115,409.12 = 238,164.96/x - Step 3: Cross multiply
743,588.64x = 1,115,409.12 × 238,164.96 - Step 4: Simplify right side
743,588.64x = 265,651,368,448.44 - Step 5: Solve for x
x = 265,651,368,448.44/743,588.64 - Step 6: Final answer
x = 357,255.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.