Finding the Fourth Proportional to 513,564.68, 770,615.63 and 210,184.04
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Solution
The fourth proportional to 513,564.68, 770,615.63 and 210,184.04 is: 315,385.99
Step by Step Solution
- Step 1: Write the proportion equation
513,564.68 : 770,615.63 = 210,184.04 : x - Step 2: Convert to fraction form
513,564.68/770,615.63 = 210,184.04/x - Step 3: Cross multiply
513,564.68x = 770,615.63 × 210,184.04 - Step 4: Simplify right side
513,564.68x = 161,971,101,496.55 - Step 5: Solve for x
x = 161,971,101,496.55/513,564.68 - Step 6: Final answer
x = 315,385.99
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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.