Finding the Fourth Proportional to 479,638.98, 719,289.56 and 159,703.96
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Solution
The fourth proportional to 479,638.98, 719,289.56 and 159,703.96 is: 239,499.70
Step by Step Solution
- Step 1: Write the proportion equation
479,638.98 : 719,289.56 = 159,703.96 : x - Step 2: Convert to fraction form
479,638.98/719,289.56 = 159,703.96/x - Step 3: Cross multiply
479,638.98x = 719,289.56 × 159,703.96 - Step 4: Simplify right side
479,638.98x = 114,873,391,118.66 - Step 5: Solve for x
x = 114,873,391,118.66/479,638.98 - Step 6: Final answer
x = 239,499.70
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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.