Finding the Fourth Proportional to 530,212.96, 795,319.44 and 193,278.88
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Solution
The fourth proportional to 530,212.96, 795,319.44 and 193,278.88 is: 289,918.32
Step by Step Solution
- Step 1: Write the proportion equation
530,212.96 : 795,319.44 = 193,278.88 : x - Step 2: Convert to fraction form
530,212.96/795,319.44 = 193,278.88/x - Step 3: Cross multiply
530,212.96x = 795,319.44 × 193,278.88 - Step 4: Simplify right side
530,212.96x = 153,718,450,605.43 - Step 5: Solve for x
x = 153,718,450,605.43/530,212.96 - Step 6: Final answer
x = 289,918.32
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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.