Finding the Fourth Proportional to 133,479.39, 184,199.09 and 73,048.80
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Solution
The fourth proportional to 133,479.39, 184,199.09 and 73,048.80 is: 100,805.99
Step by Step Solution
- Step 1: Write the proportion equation
133,479.39 : 184,199.09 = 73,048.80 : x - Step 2: Convert to fraction form
133,479.39/184,199.09 = 73,048.80/x - Step 3: Cross multiply
133,479.39x = 184,199.09 × 73,048.80 - Step 4: Simplify right side
133,479.39x = 13,455,522,120.35 - Step 5: Solve for x
x = 13,455,522,120.35/133,479.39 - Step 6: Final answer
x = 100,805.99
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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.