Finding the Fourth Proportional to 778,097.36, 1,166,708.28 and 245,519.12
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Solution
The fourth proportional to 778,097.36, 1,166,708.28 and 245,519.12 is: 368,140.55
Step by Step Solution
- Step 1: Write the proportion equation
778,097.36 : 1,166,708.28 = 245,519.12 : x - Step 2: Convert to fraction form
778,097.36/1,166,708.28 = 245,519.12/x - Step 3: Cross multiply
778,097.36x = 1,166,708.28 × 245,519.12 - Step 4: Simplify right side
778,097.36x = 286,449,190,202.31 - Step 5: Solve for x
x = 286,449,190,202.31/778,097.36 - Step 6: Final answer
x = 368,140.55
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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.