Finding the Fourth Proportional to 513,993.84, 770,575.08 and 214,703.64
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Solution
The fourth proportional to 513,993.84, 770,575.08 and 214,703.64 is: 321,881.82
Step by Step Solution
- Step 1: Write the proportion equation
513,993.84 : 770,575.08 = 214,703.64 : x - Step 2: Convert to fraction form
513,993.84/770,575.08 = 214,703.64/x - Step 3: Cross multiply
513,993.84x = 770,575.08 × 214,703.64 - Step 4: Simplify right side
513,993.84x = 165,445,274,569.29 - Step 5: Solve for x
x = 165,445,274,569.29/513,993.84 - Step 6: Final answer
x = 321,881.82
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1.5x scale
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.