Finding the Fourth Proportional to 208,681.79, 313,028.08 and 56,880.12
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Solution
The fourth proportional to 208,681.79, 313,028.08 and 56,880.12 is: 85,321.65
Step by Step Solution
- Step 1: Write the proportion equation
208,681.79 : 313,028.08 = 56,880.12 : x - Step 2: Convert to fraction form
208,681.79/313,028.08 = 56,880.12/x - Step 3: Cross multiply
208,681.79x = 313,028.08 × 56,880.12 - Step 4: Simplify right side
208,681.79x = 17,805,074,753.77 - Step 5: Solve for x
x = 17,805,074,753.77/208,681.79 - Step 6: Final answer
x = 85,321.65
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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.