Finding the Fourth Proportional to 320,769.87, 442,682.97 and 184,801.35
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Solution
The fourth proportional to 320,769.87, 442,682.97 and 184,801.35 is: 255,037.70
Step by Step Solution
- Step 1: Write the proportion equation
320,769.87 : 442,682.97 = 184,801.35 : x - Step 2: Convert to fraction form
320,769.87/442,682.97 = 184,801.35/x - Step 3: Cross multiply
320,769.87x = 442,682.97 × 184,801.35 - Step 4: Simplify right side
320,769.87x = 81,808,409,994.48 - Step 5: Solve for x
x = 81,808,409,994.48/320,769.87 - Step 6: Final answer
x = 255,037.70
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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.