Finding the Fourth Proportional to 441,489.42, 609,317.28 and 257,788.08
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Solution
The fourth proportional to 441,489.42, 609,317.28 and 257,788.08 is: 355,783.68
Step by Step Solution
- Step 1: Write the proportion equation
441,489.42 : 609,317.28 = 257,788.08 : x - Step 2: Convert to fraction form
441,489.42/609,317.28 = 257,788.08/x - Step 3: Cross multiply
441,489.42x = 609,317.28 × 257,788.08 - Step 4: Simplify right side
441,489.42x = 157,074,731,722.02 - Step 5: Solve for x
x = 157,074,731,722.02/441,489.42 - Step 6: Final answer
x = 355,783.68
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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.