Finding the Fourth Proportional to 338,955.48, 508,119.36 and 125,604.60
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Solution
The fourth proportional to 338,955.48, 508,119.36 and 125,604.60 is: 188,290.59
Step by Step Solution
- Step 1: Write the proportion equation
338,955.48 : 508,119.36 = 125,604.60 : x - Step 2: Convert to fraction form
338,955.48/508,119.36 = 125,604.60/x - Step 3: Cross multiply
338,955.48x = 508,119.36 × 125,604.60 - Step 4: Simplify right side
338,955.48x = 63,822,128,965.06 - Step 5: Solve for x
x = 63,822,128,965.06/338,955.48 - Step 6: Final answer
x = 188,290.59
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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.