Finding the Fourth Proportional to 145,169.71, 217,768.34 and 56,430.07
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Solution
The fourth proportional to 145,169.71, 217,768.34 and 56,430.07 is: 84,650.46
Step by Step Solution
- Step 1: Write the proportion equation
145,169.71 : 217,768.34 = 56,430.07 : x - Step 2: Convert to fraction form
145,169.71/217,768.34 = 56,430.07/x - Step 3: Cross multiply
145,169.71x = 217,768.34 × 56,430.07 - Step 4: Simplify right side
145,169.71x = 12,288,682,387.83 - Step 5: Solve for x
x = 12,288,682,387.83/145,169.71 - Step 6: Final answer
x = 84,650.46
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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.