Finding the Fourth Proportional to 513,811.98, 770,188.23 and 214,466.76
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Solution
The fourth proportional to 513,811.98, 770,188.23 and 214,466.76 is: 321,479.02
Step by Step Solution
- Step 1: Write the proportion equation
513,811.98 : 770,188.23 = 214,466.76 : x - Step 2: Convert to fraction form
513,811.98/770,188.23 = 214,466.76/x - Step 3: Cross multiply
513,811.98x = 770,188.23 × 214,466.76 - Step 4: Simplify right side
513,811.98x = 165,179,774,278.24 - Step 5: Solve for x
x = 165,179,774,278.24/513,811.98 - Step 6: Final answer
x = 321,479.02
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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.