Finding the Fourth Proportional to 324,189.95, 486,303.14 and 87,551.28
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Solution
The fourth proportional to 324,189.95, 486,303.14 and 87,551.28 is: 131,331.84
Step by Step Solution
- Step 1: Write the proportion equation
324,189.95 : 486,303.14 = 87,551.28 : x - Step 2: Convert to fraction form
324,189.95/486,303.14 = 87,551.28/x - Step 3: Cross multiply
324,189.95x = 486,303.14 × 87,551.28 - Step 4: Simplify right side
324,189.95x = 42,576,462,593.90 - Step 5: Solve for x
x = 42,576,462,593.90/324,189.95 - Step 6: Final answer
x = 131,331.84
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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.