Finding the Fourth Proportional to 610,683.13, 842,756.25 and 338,742.19
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Solution
The fourth proportional to 610,683.13, 842,756.25 and 338,742.19 is: 467,471.73
Step by Step Solution
- Step 1: Write the proportion equation
610,683.13 : 842,756.25 = 338,742.19 : x - Step 2: Convert to fraction form
610,683.13/842,756.25 = 338,742.19/x - Step 3: Cross multiply
610,683.13x = 842,756.25 × 338,742.19 - Step 4: Simplify right side
610,683.13x = 285,477,097,761.19 - Step 5: Solve for x
x = 285,477,097,761.19/610,683.13 - Step 6: Final answer
x = 467,471.73
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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.