Finding the Fourth Proportional to 403,280.74, 605,011.11 and 122,819.62
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Solution
The fourth proportional to 403,280.74, 605,011.11 and 122,819.62 is: 184,256.84
Step by Step Solution
- Step 1: Write the proportion equation
403,280.74 : 605,011.11 = 122,819.62 : x - Step 2: Convert to fraction form
403,280.74/605,011.11 = 122,819.62/x - Step 3: Cross multiply
403,280.74x = 605,011.11 × 122,819.62 - Step 4: Simplify right side
403,280.74x = 74,307,234,625.98 - Step 5: Solve for x
x = 74,307,234,625.98/403,280.74 - Step 6: Final answer
x = 184,256.84
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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.