Finding the Fourth Proportional to 322,293.12, 483,389.76 and 164,638.08
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Solution
The fourth proportional to 322,293.12, 483,389.76 and 164,638.08 is: 246,931.62
Step by Step Solution
- Step 1: Write the proportion equation
322,293.12 : 483,389.76 = 164,638.08 : x - Step 2: Convert to fraction form
322,293.12/483,389.76 = 164,638.08/x - Step 3: Cross multiply
322,293.12x = 483,389.76 × 164,638.08 - Step 4: Simplify right side
322,293.12x = 79,584,361,978.06 - Step 5: Solve for x
x = 79,584,361,978.06/322,293.12 - Step 6: Final answer
x = 246,931.62
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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.