Finding the Fourth Proportional to 528,316.44, 792,460.44 and 149,263.26
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Solution
The fourth proportional to 528,316.44, 792,460.44 and 149,263.26 is: 223,890.87
Step by Step Solution
- Step 1: Write the proportion equation
528,316.44 : 792,460.44 = 149,263.26 : x - Step 2: Convert to fraction form
528,316.44/792,460.44 = 149,263.26/x - Step 3: Cross multiply
528,316.44x = 792,460.44 × 149,263.26 - Step 4: Simplify right side
528,316.44x = 118,285,228,695.43 - Step 5: Solve for x
x = 118,285,228,695.43/528,316.44 - Step 6: Final answer
x = 223,890.87
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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.