Finding the Fourth Proportional to 430,676.30, 594,327.37 and 239,689.66
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Solution
The fourth proportional to 430,676.30, 594,327.37 and 239,689.66 is: 330,768.43
Step by Step Solution
- Step 1: Write the proportion equation
430,676.30 : 594,327.37 = 239,689.66 : x - Step 2: Convert to fraction form
430,676.30/594,327.37 = 239,689.66/x - Step 3: Cross multiply
430,676.30x = 594,327.37 × 239,689.66 - Step 4: Simplify right side
430,676.30x = 142,454,125,243.99 - Step 5: Solve for x
x = 142,454,125,243.99/430,676.30 - Step 6: Final answer
x = 330,768.43
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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.