Finding the Fourth Proportional to 528,247.71, 792,419.86 and 149,174.09
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Solution
The fourth proportional to 528,247.71, 792,419.86 and 149,174.09 is: 223,774.77
Step by Step Solution
- Step 1: Write the proportion equation
528,247.71 : 792,419.86 = 149,174.09 : x - Step 2: Convert to fraction form
528,247.71/792,419.86 = 149,174.09/x - Step 3: Cross multiply
528,247.71x = 792,419.86 × 149,174.09 - Step 4: Simplify right side
528,247.71x = 118,208,510,709.37 - Step 5: Solve for x
x = 118,208,510,709.37/528,247.71 - Step 6: Final answer
x = 223,774.77
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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.