Finding the Fourth Proportional to 349,267.68, 481,779.36 and 213,239.52
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Solution
The fourth proportional to 349,267.68, 481,779.36 and 213,239.52 is: 294,142.30
Step by Step Solution
- Step 1: Write the proportion equation
349,267.68 : 481,779.36 = 213,239.52 : x - Step 2: Convert to fraction form
349,267.68/481,779.36 = 213,239.52/x - Step 3: Cross multiply
349,267.68x = 481,779.36 × 213,239.52 - Step 4: Simplify right side
349,267.68x = 102,734,399,472.31 - Step 5: Solve for x
x = 102,734,399,472.31/349,267.68 - Step 6: Final answer
x = 294,142.30
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1.5x scale
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.