Finding the Fourth Proportional to 438,973.60, 605,774.88 and 245,380.32
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Solution
The fourth proportional to 438,973.60, 605,774.88 and 245,380.32 is: 338,619.99
Step by Step Solution
- Step 1: Write the proportion equation
438,973.60 : 605,774.88 = 245,380.32 : x - Step 2: Convert to fraction form
438,973.60/605,774.88 = 245,380.32/x - Step 3: Cross multiply
438,973.60x = 605,774.88 × 245,380.32 - Step 4: Simplify right side
438,973.60x = 148,645,233,902.36 - Step 5: Solve for x
x = 148,645,233,902.36/438,973.60 - Step 6: Final answer
x = 338,619.99
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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.