Finding the Fourth Proportional to 325,776.36, 488,486.90 and 98,038.76
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Solution
The fourth proportional to 325,776.36, 488,486.90 and 98,038.76 is: 147,004.68
Step by Step Solution
- Step 1: Write the proportion equation
325,776.36 : 488,486.90 = 98,038.76 : x - Step 2: Convert to fraction form
325,776.36/488,486.90 = 98,038.76/x - Step 3: Cross multiply
325,776.36x = 488,486.90 × 98,038.76 - Step 4: Simplify right side
325,776.36x = 47,890,649,952.24 - Step 5: Solve for x
x = 47,890,649,952.24/325,776.36 - Step 6: Final answer
x = 147,004.68
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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.