Finding the Fourth Proportional to 450,009.76, 675,111.84 and 134,492.08
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Solution
The fourth proportional to 450,009.76, 675,111.84 and 134,492.08 is: 201,767.17
Step by Step Solution
- Step 1: Write the proportion equation
450,009.76 : 675,111.84 = 134,492.08 : x - Step 2: Convert to fraction form
450,009.76/675,111.84 = 134,492.08/x - Step 3: Cross multiply
450,009.76x = 675,111.84 × 134,492.08 - Step 4: Simplify right side
450,009.76x = 90,797,195,594.23 - Step 5: Solve for x
x = 90,797,195,594.23/450,009.76 - Step 6: Final answer
x = 201,767.17
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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.