Finding the Fourth Proportional to 103,952.99, 143,455.02 and 56,206.22
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Solution
The fourth proportional to 103,952.99, 143,455.02 and 56,206.22 is: 77,564.53
Step by Step Solution
- Step 1: Write the proportion equation
103,952.99 : 143,455.02 = 56,206.22 : x - Step 2: Convert to fraction form
103,952.99/143,455.02 = 56,206.22/x - Step 3: Cross multiply
103,952.99x = 143,455.02 × 56,206.22 - Step 4: Simplify right side
103,952.99x = 8,063,064,414.22 - Step 5: Solve for x
x = 8,063,064,414.22/103,952.99 - Step 6: Final answer
x = 77,564.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.