Finding the Fourth Proportional to 613,589.81, 920,447.68 and 234,829.15
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Solution
The fourth proportional to 613,589.81, 920,447.68 and 234,829.15 is: 352,267.82
Step by Step Solution
- Step 1: Write the proportion equation
613,589.81 : 920,447.68 = 234,829.15 : x - Step 2: Convert to fraction form
613,589.81/920,447.68 = 234,829.15/x - Step 3: Cross multiply
613,589.81x = 920,447.68 × 234,829.15 - Step 4: Simplify right side
613,589.81x = 216,147,943,425.68 - Step 5: Solve for x
x = 216,147,943,425.68/613,589.81 - Step 6: Final answer
x = 352,267.82
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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.