Finding the Fourth Proportional to 430,306.92, 593,815.11 and 239,316.21
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Solution
The fourth proportional to 430,306.92, 593,815.11 and 239,316.21 is: 330,251.68
Step by Step Solution
- Step 1: Write the proportion equation
430,306.92 : 593,815.11 = 239,316.21 : x - Step 2: Convert to fraction form
430,306.92/593,815.11 = 239,316.21/x - Step 3: Cross multiply
430,306.92x = 593,815.11 × 239,316.21 - Step 4: Simplify right side
430,306.92x = 142,109,581,565.93 - Step 5: Solve for x
x = 142,109,581,565.93/430,306.92 - Step 6: Final answer
x = 330,251.68
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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.