Finding the Fourth Proportional to 419,533.88, 578,937.99 and 245,120.18
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Solution
The fourth proportional to 419,533.88, 578,937.99 and 245,120.18 is: 338,254.88
Step by Step Solution
- Step 1: Write the proportion equation
419,533.88 : 578,937.99 = 245,120.18 : x - Step 2: Convert to fraction form
419,533.88/578,937.99 = 245,120.18/x - Step 3: Cross multiply
419,533.88x = 578,937.99 × 245,120.18 - Step 4: Simplify right side
419,533.88x = 141,909,384,317.64 - Step 5: Solve for x
x = 141,909,384,317.64/419,533.88 - Step 6: Final answer
x = 338,254.88
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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.