Finding the Fourth Proportional to 269,000.04, 403,292.16 and 135,811.74
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Solution
The fourth proportional to 269,000.04, 403,292.16 and 135,811.74 is: 203,612.65
Step by Step Solution
- Step 1: Write the proportion equation
269,000.04 : 403,292.16 = 135,811.74 : x - Step 2: Convert to fraction form
269,000.04/403,292.16 = 135,811.74/x - Step 3: Cross multiply
269,000.04x = 403,292.16 × 135,811.74 - Step 4: Simplify right side
269,000.04x = 54,771,809,977.96 - Step 5: Solve for x
x = 54,771,809,977.96/269,000.04 - Step 6: Final answer
x = 203,612.65
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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.