Finding the Fourth Proportional to 430,645.36, 594,286.26 and 239,655.52
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Solution
The fourth proportional to 430,645.36, 594,286.26 and 239,655.52 is: 330,722.20
Step by Step Solution
- Step 1: Write the proportion equation
430,645.36 : 594,286.26 = 239,655.52 : x - Step 2: Convert to fraction form
430,645.36/594,286.26 = 239,655.52/x - Step 3: Cross multiply
430,645.36x = 594,286.26 × 239,655.52 - Step 4: Simplify right side
430,645.36x = 142,423,982,669.16 - Step 5: Solve for x
x = 142,423,982,669.16/430,645.36 - Step 6: Final answer
x = 330,722.20
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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.