Finding the Fourth Proportional to 576,303.35, 864,567.09 and 221,291.28
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Solution
The fourth proportional to 576,303.35, 864,567.09 and 221,291.28 is: 331,979.95
Step by Step Solution
- Step 1: Write the proportion equation
576,303.35 : 864,567.09 = 221,291.28 : x - Step 2: Convert to fraction form
576,303.35/864,567.09 = 221,291.28/x - Step 3: Cross multiply
576,303.35x = 864,567.09 × 221,291.28 - Step 4: Simplify right side
576,303.35x = 191,321,157,991.98 - Step 5: Solve for x
x = 191,321,157,991.98/576,303.35 - Step 6: Final answer
x = 331,979.95
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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.