Finding the Fourth Proportional to 383,574.05, 575,340.36 and 117,334.59
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Solution
The fourth proportional to 383,574.05, 575,340.36 and 117,334.59 is: 175,995.55
Step by Step Solution
- Step 1: Write the proportion equation
383,574.05 : 575,340.36 = 117,334.59 : x - Step 2: Convert to fraction form
383,574.05/575,340.36 = 117,334.59/x - Step 3: Cross multiply
383,574.05x = 575,340.36 × 117,334.59 - Step 4: Simplify right side
383,574.05x = 67,507,325,471.05 - Step 5: Solve for x
x = 67,507,325,471.05/383,574.05 - Step 6: Final answer
x = 175,995.55
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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.