Finding the Fourth Proportional to 305,923.64, 458,367.26 and 187,347.23
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Solution
The fourth proportional to 305,923.64, 458,367.26 and 187,347.23 is: 280,703.50
Step by Step Solution
- Step 1: Write the proportion equation
305,923.64 : 458,367.26 = 187,347.23 : x - Step 2: Convert to fraction form
305,923.64/458,367.26 = 187,347.23/x - Step 3: Cross multiply
305,923.64x = 458,367.26 × 187,347.23 - Step 4: Simplify right side
305,923.64x = 85,873,834,973.99 - Step 5: Solve for x
x = 85,873,834,973.99/305,923.64 - Step 6: Final answer
x = 280,703.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.