Finding the Fourth Proportional to 528,319.24, 792,676.14 and 212,865.64
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Solution
The fourth proportional to 528,319.24, 792,676.14 and 212,865.64 is: 319,377.95
Step by Step Solution
- Step 1: Write the proportion equation
528,319.24 : 792,676.14 = 212,865.64 : x - Step 2: Convert to fraction form
528,319.24/792,676.14 = 212,865.64/x - Step 3: Cross multiply
528,319.24x = 792,676.14 × 212,865.64 - Step 4: Simplify right side
528,319.24x = 168,733,513,853.83 - Step 5: Solve for x
x = 168,733,513,853.83/528,319.24 - Step 6: Final answer
x = 319,377.95
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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.