Finding the Fourth Proportional to 147,919.04, 204,226.70 and 87,509.03
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Solution
The fourth proportional to 147,919.04, 204,226.70 and 87,509.03 is: 120,820.69
Step by Step Solution
- Step 1: Write the proportion equation
147,919.04 : 204,226.70 = 87,509.03 : x - Step 2: Convert to fraction form
147,919.04/204,226.70 = 87,509.03/x - Step 3: Cross multiply
147,919.04x = 204,226.70 × 87,509.03 - Step 4: Simplify right side
147,919.04x = 17,871,680,417.10 - Step 5: Solve for x
x = 17,871,680,417.10/147,919.04 - Step 6: Final answer
x = 120,820.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.