Finding the Fourth Proportional to 356,394.07, 491,823.66 and 213,154.12
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Solution
The fourth proportional to 356,394.07, 491,823.66 and 213,154.12 is: 294,152.59
Step by Step Solution
- Step 1: Write the proportion equation
356,394.07 : 491,823.66 = 213,154.12 : x - Step 2: Convert to fraction form
356,394.07/491,823.66 = 213,154.12/x - Step 3: Cross multiply
356,394.07x = 491,823.66 × 213,154.12 - Step 4: Simplify right side
356,394.07x = 104,834,239,442.48 - Step 5: Solve for x
x = 104,834,239,442.48/356,394.07 - Step 6: Final answer
x = 294,152.59
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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.