Finding the Fourth Proportional to 313,974.40, 433,282.08 and 184,987.84
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Solution
The fourth proportional to 313,974.40, 433,282.08 and 184,987.84 is: 255,281.69
Step by Step Solution
- Step 1: Write the proportion equation
313,974.40 : 433,282.08 = 184,987.84 : x - Step 2: Convert to fraction form
313,974.40/433,282.08 = 184,987.84/x - Step 3: Cross multiply
313,974.40x = 433,282.08 × 184,987.84 - Step 4: Simplify right side
313,974.40x = 80,151,916,089.91 - Step 5: Solve for x
x = 80,151,916,089.91/313,974.40 - Step 6: Final answer
x = 255,281.69
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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.