Finding the Fourth Proportional to 610,251.91, 842,197.36 and 338,405.07
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Solution
The fourth proportional to 610,251.91, 842,197.36 and 338,405.07 is: 467,026.57
Step by Step Solution
- Step 1: Write the proportion equation
610,251.91 : 842,197.36 = 338,405.07 : x - Step 2: Convert to fraction form
610,251.91/842,197.36 = 338,405.07/x - Step 3: Cross multiply
610,251.91x = 842,197.36 × 338,405.07 - Step 4: Simplify right side
610,251.91x = 285,003,854,872.59 - Step 5: Solve for x
x = 285,003,854,872.59/610,251.91 - Step 6: Final answer
x = 467,026.57
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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.