Finding the Fourth Proportional to 403,918.60, 605,491.50 and 151,130.44
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Solution
The fourth proportional to 403,918.60, 605,491.50 and 151,130.44 is: 226,551.08
Step by Step Solution
- Step 1: Write the proportion equation
403,918.60 : 605,491.50 = 151,130.44 : x - Step 2: Convert to fraction form
403,918.60/605,491.50 = 151,130.44/x - Step 3: Cross multiply
403,918.60x = 605,491.50 × 151,130.44 - Step 4: Simplify right side
403,918.60x = 91,508,196,811.26 - Step 5: Solve for x
x = 91,508,196,811.26/403,918.60 - Step 6: Final answer
x = 226,551.08
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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.