Finding the Fourth Proportional to 451,029.11, 622,420.92 and 247,075.58
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Solution
The fourth proportional to 451,029.11, 622,420.92 and 247,075.58 is: 340,964.71
Step by Step Solution
- Step 1: Write the proportion equation
451,029.11 : 622,420.92 = 247,075.58 : x - Step 2: Convert to fraction form
451,029.11/622,420.92 = 247,075.58/x - Step 3: Cross multiply
451,029.11x = 622,420.92 × 247,075.58 - Step 4: Simplify right side
451,029.11x = 153,785,009,813.13 - Step 5: Solve for x
x = 153,785,009,813.13/451,029.11 - Step 6: Final answer
x = 340,964.71
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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.