Finding the Fourth Proportional to 133,485.12, 184,209.36 and 83,184
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Solution
The fourth proportional to 133,485.12, 184,209.36 and 83,184 is: 114,793.85
Step by Step Solution
- Step 1: Write the proportion equation
133,485.12 : 184,209.36 = 83,184 : x - Step 2: Convert to fraction form
133,485.12/184,209.36 = 83,184/x - Step 3: Cross multiply
133,485.12x = 184,209.36 × 83,184 - Step 4: Simplify right side
133,485.12x = 15,323,271,402.24 - Step 5: Solve for x
x = 15,323,271,402.24/133,485.12 - Step 6: Final answer
x = 114,793.85
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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.