Finding the Fourth Proportional to 84,130.13, 126,203.70 and 34,202.54
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Solution
The fourth proportional to 84,130.13, 126,203.70 and 34,202.54 is: 51,307.26
Step by Step Solution
- Step 1: Write the proportion equation
84,130.13 : 126,203.70 = 34,202.54 : x - Step 2: Convert to fraction form
84,130.13/126,203.70 = 34,202.54/x - Step 3: Cross multiply
84,130.13x = 126,203.70 × 34,202.54 - Step 4: Simplify right side
84,130.13x = 4,316,486,466.38 - Step 5: Solve for x
x = 4,316,486,466.38/84,130.13 - Step 6: Final answer
x = 51,307.26
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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.