Finding the Fourth Proportional to 322,171.68, 483,257.84 and 122,445.12
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Solution
The fourth proportional to 322,171.68, 483,257.84 and 122,445.12 is: 183,667.80
Step by Step Solution
- Step 1: Write the proportion equation
322,171.68 : 483,257.84 = 122,445.12 : x - Step 2: Convert to fraction form
322,171.68/483,257.84 = 122,445.12/x - Step 3: Cross multiply
322,171.68x = 483,257.84 × 122,445.12 - Step 4: Simplify right side
322,171.68x = 59,172,564,209.74 - Step 5: Solve for x
x = 59,172,564,209.74/322,171.68 - Step 6: Final answer
x = 183,667.80
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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.