Finding the Fourth Proportional to 400,303.36, 552,364.08 and 239,124.20
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Solution
The fourth proportional to 400,303.36, 552,364.08 and 239,124.20 is: 329,958.80
Step by Step Solution
- Step 1: Write the proportion equation
400,303.36 : 552,364.08 = 239,124.20 : x - Step 2: Convert to fraction form
400,303.36/552,364.08 = 239,124.20/x - Step 3: Cross multiply
400,303.36x = 552,364.08 × 239,124.20 - Step 4: Simplify right side
400,303.36x = 132,083,616,873.63 - Step 5: Solve for x
x = 132,083,616,873.63/400,303.36 - Step 6: Final answer
x = 329,958.80
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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.