Finding the Fourth Proportional to 422,659.05, 583,329.30 and 261,565.98
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Solution
The fourth proportional to 422,659.05, 583,329.30 and 261,565.98 is: 360,998.07
Step by Step Solution
- Step 1: Write the proportion equation
422,659.05 : 583,329.30 = 261,565.98 : x - Step 2: Convert to fraction form
422,659.05/583,329.30 = 261,565.98/x - Step 3: Cross multiply
422,659.05x = 583,329.30 × 261,565.98 - Step 4: Simplify right side
422,659.05x = 152,579,100,017.21 - Step 5: Solve for x
x = 152,579,100,017.21/422,659.05 - Step 6: Final answer
x = 360,998.07
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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.