Finding the Fourth Proportional to 143,370.26, 215,026.52 and 136,257.06
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Solution
The fourth proportional to 143,370.26, 215,026.52 and 136,257.06 is: 204,358.15
Step by Step Solution
- Step 1: Write the proportion equation
143,370.26 : 215,026.52 = 136,257.06 : x - Step 2: Convert to fraction form
143,370.26/215,026.52 = 136,257.06/x - Step 3: Cross multiply
143,370.26x = 215,026.52 × 136,257.06 - Step 4: Simplify right side
143,370.26x = 29,298,881,437.23 - Step 5: Solve for x
x = 29,298,881,437.23/143,370.26 - Step 6: Final answer
x = 204,358.15
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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.