Finding the Fourth Proportional to 301,400.13, 415,952.97 and 199,248.44
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Solution
The fourth proportional to 301,400.13, 415,952.97 and 199,248.44 is: 274,976.59
Step by Step Solution
- Step 1: Write the proportion equation
301,400.13 : 415,952.97 = 199,248.44 : x - Step 2: Convert to fraction form
301,400.13/415,952.97 = 199,248.44/x - Step 3: Cross multiply
301,400.13x = 415,952.97 × 199,248.44 - Step 4: Simplify right side
301,400.13x = 82,877,980,385.87 - Step 5: Solve for x
x = 82,877,980,385.87/301,400.13 - Step 6: Final answer
x = 274,976.59
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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.