Finding the Fourth Proportional to 576,315.36, 864,585.09 and 221,303.28
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Solution
The fourth proportional to 576,315.36, 864,585.09 and 221,303.28 is: 331,997.95
Step by Step Solution
- Step 1: Write the proportion equation
576,315.36 : 864,585.09 = 221,303.28 : x - Step 2: Convert to fraction form
576,315.36/864,585.09 = 221,303.28/x - Step 3: Cross multiply
576,315.36x = 864,585.09 × 221,303.28 - Step 4: Simplify right side
576,315.36x = 191,335,516,256.10 - Step 5: Solve for x
x = 191,335,516,256.10/576,315.36 - Step 6: Final answer
x = 331,997.95
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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.