Finding the Fourth Proportional to 513,784.49, 770,679.90 and 134,701.81
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Solution
The fourth proportional to 513,784.49, 770,679.90 and 134,701.81 is: 202,053.54
Step by Step Solution
- Step 1: Write the proportion equation
513,784.49 : 770,679.90 = 134,701.81 : x - Step 2: Convert to fraction form
513,784.49/770,679.90 = 134,701.81/x - Step 3: Cross multiply
513,784.49x = 770,679.90 × 134,701.81 - Step 4: Simplify right side
513,784.49x = 103,811,975,533.92 - Step 5: Solve for x
x = 103,811,975,533.92/513,784.49 - Step 6: Final answer
x = 202,053.54
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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.