Finding the Fourth Proportional to 340,574.21, 470,006.99 and 189,671.21
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Solution
The fourth proportional to 340,574.21, 470,006.99 and 189,671.21 is: 261,754.39
Step by Step Solution
- Step 1: Write the proportion equation
340,574.21 : 470,006.99 = 189,671.21 : x - Step 2: Convert to fraction form
340,574.21/470,006.99 = 189,671.21/x - Step 3: Cross multiply
340,574.21x = 470,006.99 × 189,671.21 - Step 4: Simplify right side
340,574.21x = 89,146,794,501.76 - Step 5: Solve for x
x = 89,146,794,501.76/340,574.21 - Step 6: Final answer
x = 261,754.39
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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.