Finding the Fourth Proportional to 405,885.80, 608,828.70 and 184,269.80
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Solution
The fourth proportional to 405,885.80, 608,828.70 and 184,269.80 is: 276,404.70
Step by Step Solution
- Step 1: Write the proportion equation
405,885.80 : 608,828.70 = 184,269.80 : x - Step 2: Convert to fraction form
405,885.80/608,828.70 = 184,269.80/x - Step 3: Cross multiply
405,885.80x = 608,828.70 × 184,269.80 - Step 4: Simplify right side
405,885.80x = 112,188,742,783.26 - Step 5: Solve for x
x = 112,188,742,783.26/405,885.80 - Step 6: Final answer
x = 276,404.70
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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.