Finding the Fourth Proportional to 513,901.80, 770,852.70 and 134,821.80
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Solution
The fourth proportional to 513,901.80, 770,852.70 and 134,821.80 is: 202,232.70
Step by Step Solution
- Step 1: Write the proportion equation
513,901.80 : 770,852.70 = 134,821.80 : x - Step 2: Convert to fraction form
513,901.80/770,852.70 = 134,821.80/x - Step 3: Cross multiply
513,901.80x = 770,852.70 × 134,821.80 - Step 4: Simplify right side
513,901.80x = 103,927,748,548.86 - Step 5: Solve for x
x = 103,927,748,548.86/513,901.80 - Step 6: Final answer
x = 202,232.70
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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.