Finding the Fourth Proportional to 513,642.80, 770,233.80 and 197,994.80
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Solution
The fourth proportional to 513,642.80, 770,233.80 and 197,994.80 is: 296,903.39
Step by Step Solution
- Step 1: Write the proportion equation
513,642.80 : 770,233.80 = 197,994.80 : x - Step 2: Convert to fraction form
513,642.80/770,233.80 = 197,994.80/x - Step 3: Cross multiply
513,642.80x = 770,233.80 × 197,994.80 - Step 4: Simplify right side
513,642.80x = 152,502,287,184.24 - Step 5: Solve for x
x = 152,502,287,184.24/513,642.80 - Step 6: Final answer
x = 296,903.39
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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.