Finding the Fourth Proportional to 403,921.30, 605,881.95 and 151,201.30
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Solution
The fourth proportional to 403,921.30, 605,881.95 and 151,201.30 is: 226,801.95
Step by Step Solution
- Step 1: Write the proportion equation
403,921.30 : 605,881.95 = 151,201.30 : x - Step 2: Convert to fraction form
403,921.30/605,881.95 = 151,201.30/x - Step 3: Cross multiply
403,921.30x = 605,881.95 × 151,201.30 - Step 4: Simplify right side
403,921.30x = 91,610,138,486.54 - Step 5: Solve for x
x = 91,610,138,486.54/403,921.30 - Step 6: Final answer
x = 226,801.95
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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.