Finding the Fourth Proportional to 576,574.98, 864,885.21 and 216,709.53
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Solution
The fourth proportional to 576,574.98, 864,885.21 and 216,709.53 is: 325,072.84
Step by Step Solution
- Step 1: Write the proportion equation
576,574.98 : 864,885.21 = 216,709.53 : x - Step 2: Convert to fraction form
576,574.98/864,885.21 = 216,709.53/x - Step 3: Cross multiply
576,574.98x = 864,885.21 × 216,709.53 - Step 4: Simplify right side
576,574.98x = 187,428,867,363.05 - Step 5: Solve for x
x = 187,428,867,363.05/576,574.98 - Step 6: Final answer
x = 325,072.84
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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.