Finding the Fourth Proportional to 311,565.99, 429,991.41 and 184,282.59
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Solution
The fourth proportional to 311,565.99, 429,991.41 and 184,282.59 is: 254,327.92
Step by Step Solution
- Step 1: Write the proportion equation
311,565.99 : 429,991.41 = 184,282.59 : x - Step 2: Convert to fraction form
311,565.99/429,991.41 = 184,282.59/x - Step 3: Cross multiply
311,565.99x = 429,991.41 × 184,282.59 - Step 4: Simplify right side
311,565.99x = 79,239,930,712.55 - Step 5: Solve for x
x = 79,239,930,712.55/311,565.99 - Step 6: Final answer
x = 254,327.92
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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.