Finding the Fourth Proportional to 492,790.70, 738,970.05 and 226,462.70
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Solution
The fourth proportional to 492,790.70, 738,970.05 and 226,462.70 is: 339,594.79
Step by Step Solution
- Step 1: Write the proportion equation
492,790.70 : 738,970.05 = 226,462.70 : x - Step 2: Convert to fraction form
492,790.70/738,970.05 = 226,462.70/x - Step 3: Cross multiply
492,790.70x = 738,970.05 × 226,462.70 - Step 4: Simplify right side
492,790.70x = 167,349,152,742.14 - Step 5: Solve for x
x = 167,349,152,742.14/492,790.70 - Step 6: Final answer
x = 339,594.79
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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.