Finding the Fourth Proportional to 528,031.53, 791,785.26 and 168,155.49
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Solution
The fourth proportional to 528,031.53, 791,785.26 and 168,155.49 is: 252,149.79
Step by Step Solution
- Step 1: Write the proportion equation
528,031.53 : 791,785.26 = 168,155.49 : x - Step 2: Convert to fraction form
528,031.53/791,785.26 = 168,155.49/x - Step 3: Cross multiply
528,031.53x = 791,785.26 × 168,155.49 - Step 4: Simplify right side
528,031.53x = 133,143,038,370.08 - Step 5: Solve for x
x = 133,143,038,370.08/528,031.53 - Step 6: Final answer
x = 252,149.79
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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.