Finding the Fourth Proportional to 462,325.66, 638,029.12 and 258,376.58
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Solution
The fourth proportional to 462,325.66, 638,029.12 and 258,376.58 is: 356,570.69
Step by Step Solution
- Step 1: Write the proportion equation
462,325.66 : 638,029.12 = 258,376.58 : x - Step 2: Convert to fraction form
462,325.66/638,029.12 = 258,376.58/x - Step 3: Cross multiply
462,325.66x = 638,029.12 × 258,376.58 - Step 4: Simplify right side
462,325.66x = 164,851,780,685.24 - Step 5: Solve for x
x = 164,851,780,685.24/462,325.66 - Step 6: Final answer
x = 356,570.69
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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.