Finding the Fourth Proportional to 556,213.14, 767,575.81 and 301,564.44
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Solution
The fourth proportional to 556,213.14, 767,575.81 and 301,564.44 is: 416,159.84
Step by Step Solution
- Step 1: Write the proportion equation
556,213.14 : 767,575.81 = 301,564.44 : x - Step 2: Convert to fraction form
556,213.14/767,575.81 = 301,564.44/x - Step 3: Cross multiply
556,213.14x = 767,575.81 × 301,564.44 - Step 4: Simplify right side
556,213.14x = 231,473,569,300.20 - Step 5: Solve for x
x = 231,473,569,300.20/556,213.14 - Step 6: Final answer
x = 416,159.84
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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.