Finding the Fourth Proportional to 134,400.04, 201,630.12 and 40,913.08
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Solution
The fourth proportional to 134,400.04, 201,630.12 and 40,913.08 is: 61,378.77
Step by Step Solution
- Step 1: Write the proportion equation
134,400.04 : 201,630.12 = 40,913.08 : x - Step 2: Convert to fraction form
134,400.04/201,630.12 = 40,913.08/x - Step 3: Cross multiply
134,400.04x = 201,630.12 × 40,913.08 - Step 4: Simplify right side
134,400.04x = 8,249,309,229.97 - Step 5: Solve for x
x = 8,249,309,229.97/134,400.04 - Step 6: Final answer
x = 61,378.77
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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.