Finding the Fourth Proportional to 438,774.68, 605,569.19 and 252,502.31
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Solution
The fourth proportional to 438,774.68, 605,569.19 and 252,502.31 is: 348,487.79
Step by Step Solution
- Step 1: Write the proportion equation
438,774.68 : 605,569.19 = 252,502.31 : x - Step 2: Convert to fraction form
438,774.68/605,569.19 = 252,502.31/x - Step 3: Cross multiply
438,774.68x = 605,569.19 × 252,502.31 - Step 4: Simplify right side
438,774.68x = 152,907,615,049.47 - Step 5: Solve for x
x = 152,907,615,049.47/438,774.68 - Step 6: Final answer
x = 348,487.79
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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.