Finding the Fourth Proportional to 432,811.09, 597,310.21 and 239,214.66
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Solution
The fourth proportional to 432,811.09, 597,310.21 and 239,214.66 is: 330,133.31
Step by Step Solution
- Step 1: Write the proportion equation
432,811.09 : 597,310.21 = 239,214.66 : x - Step 2: Convert to fraction form
432,811.09/597,310.21 = 239,214.66/x - Step 3: Cross multiply
432,811.09x = 597,310.21 × 239,214.66 - Step 4: Simplify right side
432,811.09x = 142,885,358,799.68 - Step 5: Solve for x
x = 142,885,358,799.68/432,811.09 - Step 6: Final answer
x = 330,133.31
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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.