Finding the Fourth Proportional to 403,281.24, 605,011.86 and 122,820.12
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Solution
The fourth proportional to 403,281.24, 605,011.86 and 122,820.12 is: 184,257.59
Step by Step Solution
- Step 1: Write the proportion equation
403,281.24 : 605,011.86 = 122,820.12 : x - Step 2: Convert to fraction form
403,281.24/605,011.86 = 122,820.12/x - Step 3: Cross multiply
403,281.24x = 605,011.86 × 122,820.12 - Step 4: Simplify right side
403,281.24x = 74,307,629,246.62 - Step 5: Solve for x
x = 74,307,629,246.62/403,281.24 - Step 6: Final answer
x = 184,257.59
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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.