Finding the Fourth Proportional to 528,069.70, 792,493.35 and 212,752.90
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Solution
The fourth proportional to 528,069.70, 792,493.35 and 212,752.90 is: 319,285.99
Step by Step Solution
- Step 1: Write the proportion equation
528,069.70 : 792,493.35 = 212,752.90 : x - Step 2: Convert to fraction form
528,069.70/792,493.35 = 212,752.90/x - Step 3: Cross multiply
528,069.70x = 792,493.35 × 212,752.90 - Step 4: Simplify right side
528,069.70x = 168,605,258,443.22 - Step 5: Solve for x
x = 168,605,258,443.22/528,069.70 - Step 6: Final answer
x = 319,285.99
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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.