Finding the Fourth Proportional to 430,747.64, 594,431.76 and 239,756.92
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Solution
The fourth proportional to 430,747.64, 594,431.76 and 239,756.92 is: 330,864.56
Step by Step Solution
- Step 1: Write the proportion equation
430,747.64 : 594,431.76 = 239,756.92 : x - Step 2: Convert to fraction form
430,747.64/594,431.76 = 239,756.92/x - Step 3: Cross multiply
430,747.64x = 594,431.76 × 239,756.92 - Step 4: Simplify right side
430,747.64x = 142,519,127,927.78 - Step 5: Solve for x
x = 142,519,127,927.78/430,747.64 - Step 6: Final answer
x = 330,864.56
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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.