Finding the Fourth Proportional to 144,292.06, 199,117.20 and 83,862.28
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Solution
The fourth proportional to 144,292.06, 199,117.20 and 83,862.28 is: 115,726.55
Step by Step Solution
- Step 1: Write the proportion equation
144,292.06 : 199,117.20 = 83,862.28 : x - Step 2: Convert to fraction form
144,292.06/199,117.20 = 83,862.28/x - Step 3: Cross multiply
144,292.06x = 199,117.20 × 83,862.28 - Step 4: Simplify right side
144,292.06x = 16,698,422,379.22 - Step 5: Solve for x
x = 16,698,422,379.22/144,292.06 - Step 6: Final answer
x = 115,726.55
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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.