Finding the Fourth Proportional to 430,382.48, 593,919.08 and 239,391.76
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Solution
The fourth proportional to 430,382.48, 593,919.08 and 239,391.76 is: 330,355.77
Step by Step Solution
- Step 1: Write the proportion equation
430,382.48 : 593,919.08 = 239,391.76 : x - Step 2: Convert to fraction form
430,382.48/593,919.08 = 239,391.76/x - Step 3: Cross multiply
430,382.48x = 593,919.08 × 239,391.76 - Step 4: Simplify right side
430,382.48x = 142,179,333,858.78 - Step 5: Solve for x
x = 142,179,333,858.78/430,382.48 - Step 6: Final answer
x = 330,355.77
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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.