Finding the Fourth Proportional to 403,693.19, 605,536.75 and 104,148.31
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Solution
The fourth proportional to 403,693.19, 605,536.75 and 104,148.31 is: 156,221.68
Step by Step Solution
- Step 1: Write the proportion equation
403,693.19 : 605,536.75 = 104,148.31 : x - Step 2: Convert to fraction form
403,693.19/605,536.75 = 104,148.31/x - Step 3: Cross multiply
403,693.19x = 605,536.75 × 104,148.31 - Step 4: Simplify right side
403,693.19x = 63,065,627,771.74 - Step 5: Solve for x
x = 63,065,627,771.74/403,693.19 - Step 6: Final answer
x = 156,221.68
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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.