Finding the Fourth Proportional to 197,800.79, 296,209.10 and 138,358.13
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Solution
The fourth proportional to 197,800.79, 296,209.10 and 138,358.13 is: 207,192.99
Step by Step Solution
- Step 1: Write the proportion equation
197,800.79 : 296,209.10 = 138,358.13 : x - Step 2: Convert to fraction form
197,800.79/296,209.10 = 138,358.13/x - Step 3: Cross multiply
197,800.79x = 296,209.10 × 138,358.13 - Step 4: Simplify right side
197,800.79x = 40,982,937,164.98 - Step 5: Solve for x
x = 40,982,937,164.98/197,800.79 - Step 6: Final answer
x = 207,192.99
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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.