Finding the Fourth Proportional to 430,628.36, 594,262.84 and 239,638.48
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Solution
The fourth proportional to 430,628.36, 594,262.84 and 239,638.48 is: 330,698.71
Step by Step Solution
- Step 1: Write the proportion equation
430,628.36 : 594,262.84 = 239,638.48 : x - Step 2: Convert to fraction form
430,628.36/594,262.84 = 239,638.48/x - Step 3: Cross multiply
430,628.36x = 594,262.84 × 239,638.48 - Step 4: Simplify right side
430,628.36x = 142,408,243,698.08 - Step 5: Solve for x
x = 142,408,243,698.08/430,628.36 - Step 6: Final answer
x = 330,698.71
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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.