Finding the Fourth Proportional to 513,824.38, 770,810.40 and 158,866.08
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Solution
The fourth proportional to 513,824.38, 770,810.40 and 158,866.08 is: 238,321.95
Step by Step Solution
- Step 1: Write the proportion equation
513,824.38 : 770,810.40 = 158,866.08 : x - Step 2: Convert to fraction form
513,824.38/770,810.40 = 158,866.08/x - Step 3: Cross multiply
513,824.38x = 770,810.40 × 158,866.08 - Step 4: Simplify right side
513,824.38x = 122,455,626,671.23 - Step 5: Solve for x
x = 122,455,626,671.23/513,824.38 - Step 6: Final answer
x = 238,321.95
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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.