Finding the Fourth Proportional to 215,711.74, 297,760.35 and 130,826.98
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Solution
The fourth proportional to 215,711.74, 297,760.35 and 130,826.98 is: 180,588.63
Step by Step Solution
- Step 1: Write the proportion equation
215,711.74 : 297,760.35 = 130,826.98 : x - Step 2: Convert to fraction form
215,711.74/297,760.35 = 130,826.98/x - Step 3: Cross multiply
215,711.74x = 297,760.35 × 130,826.98 - Step 4: Simplify right side
215,711.74x = 38,955,087,354.24 - Step 5: Solve for x
x = 38,955,087,354.24/215,711.74 - Step 6: Final answer
x = 180,588.63
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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.