Finding the Fourth Proportional to 513,338.97, 770,118.34 and 153,538.05
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Solution
The fourth proportional to 513,338.97, 770,118.34 and 153,538.05 is: 230,339.94
Step by Step Solution
- Step 1: Write the proportion equation
513,338.97 : 770,118.34 = 153,538.05 : x - Step 2: Convert to fraction form
513,338.97/770,118.34 = 153,538.05/x - Step 3: Cross multiply
513,338.97x = 770,118.34 × 153,538.05 - Step 4: Simplify right side
513,338.97x = 118,242,464,342.25 - Step 5: Solve for x
x = 118,242,464,342.25/513,338.97 - Step 6: Final answer
x = 230,339.94
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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.