Finding the Fourth Proportional to 430,747.92, 594,432.06 and 239,757.18
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Solution
The fourth proportional to 430,747.92, 594,432.06 and 239,757.18 is: 330,864.87
Step by Step Solution
- Step 1: Write the proportion equation
430,747.92 : 594,432.06 = 239,757.18 : x - Step 2: Convert to fraction form
430,747.92/594,432.06 = 239,757.18/x - Step 3: Cross multiply
430,747.92x = 594,432.06 × 239,757.18 - Step 4: Simplify right side
430,747.92x = 142,519,354,407.19 - Step 5: Solve for x
x = 142,519,354,407.19/430,747.92 - Step 6: Final answer
x = 330,864.87
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1.5x scale
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.