Finding the Fourth Proportional to 197,434.04, 272,457.95 and 106,789.91
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Solution
The fourth proportional to 197,434.04, 272,457.95 and 106,789.91 is: 147,369.52
Step by Step Solution
- Step 1: Write the proportion equation
197,434.04 : 272,457.95 = 106,789.91 : x - Step 2: Convert to fraction form
197,434.04/272,457.95 = 106,789.91/x - Step 3: Cross multiply
197,434.04x = 272,457.95 × 106,789.91 - Step 4: Simplify right side
197,434.04x = 29,095,758,063.05 - Step 5: Solve for x
x = 29,095,758,063.05/197,434.04 - Step 6: Final answer
x = 147,369.52
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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.