Finding the Fourth Proportional to 356,372.94, 491,794.65 and 213,132.99
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Solution
The fourth proportional to 356,372.94, 491,794.65 and 213,132.99 is: 294,123.52
Step by Step Solution
- Step 1: Write the proportion equation
356,372.94 : 491,794.65 = 213,132.99 : x - Step 2: Convert to fraction form
356,372.94/491,794.65 = 213,132.99/x - Step 3: Cross multiply
356,372.94x = 491,794.65 × 213,132.99 - Step 4: Simplify right side
356,372.94x = 104,817,664,220.50 - Step 5: Solve for x
x = 104,817,664,220.50/356,372.94 - Step 6: Final answer
x = 294,123.52
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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.