Finding the Fourth Proportional to 343,368.60, 515,271.60 and 201,213.60
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Solution
The fourth proportional to 343,368.60, 515,271.60 and 201,213.60 is: 301,948.56
Step by Step Solution
- Step 1: Write the proportion equation
343,368.60 : 515,271.60 = 201,213.60 : x - Step 2: Convert to fraction form
343,368.60/515,271.60 = 201,213.60/x - Step 3: Cross multiply
343,368.60x = 515,271.60 × 201,213.60 - Step 4: Simplify right side
343,368.60x = 103,679,653,613.76 - Step 5: Solve for x
x = 103,679,653,613.76/343,368.60 - Step 6: Final answer
x = 301,948.56
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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.