Finding the Fourth Proportional to 324,118.09, 486,140.71 and 124,298.28
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Solution
The fourth proportional to 324,118.09, 486,140.71 and 124,298.28 is: 186,433.45
Step by Step Solution
- Step 1: Write the proportion equation
324,118.09 : 486,140.71 = 124,298.28 : x - Step 2: Convert to fraction form
324,118.09/486,140.71 = 124,298.28/x - Step 3: Cross multiply
324,118.09x = 486,140.71 × 124,298.28 - Step 4: Simplify right side
324,118.09x = 60,426,454,090.98 - Step 5: Solve for x
x = 60,426,454,090.98/324,118.09 - Step 6: Final answer
x = 186,433.45
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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.