Finding the Fourth Proportional to 432,811.52, 597,310.80 and 239,215.09
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Solution
The fourth proportional to 432,811.52, 597,310.80 and 239,215.09 is: 330,133.90
Step by Step Solution
- Step 1: Write the proportion equation
432,811.52 : 597,310.80 = 239,215.09 : x - Step 2: Convert to fraction form
432,811.52/597,310.80 = 239,215.09/x - Step 3: Cross multiply
432,811.52x = 597,310.80 × 239,215.09 - Step 4: Simplify right side
432,811.52x = 142,885,756,779.97 - Step 5: Solve for x
x = 142,885,756,779.97/432,811.52 - Step 6: Final answer
x = 330,133.90
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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.