Finding the Fourth Proportional to 430,295.09, 593,828.21 and 239,304.38
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Solution
The fourth proportional to 430,295.09, 593,828.21 and 239,304.38 is: 330,251.71
Step by Step Solution
- Step 1: Write the proportion equation
430,295.09 : 593,828.21 = 239,304.38 : x - Step 2: Convert to fraction form
430,295.09/593,828.21 = 239,304.38/x - Step 3: Cross multiply
430,295.09x = 593,828.21 × 239,304.38 - Step 4: Simplify right side
430,295.09x = 142,105,689,249.68 - Step 5: Solve for x
x = 142,105,689,249.68/430,295.09 - Step 6: Final answer
x = 330,251.71
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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.