Finding the Fourth Proportional to 255,862.56, 383,701.68 and 108,130.08
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Solution
The fourth proportional to 255,862.56, 383,701.68 and 108,130.08 is: 162,156.17
Step by Step Solution
- Step 1: Write the proportion equation
255,862.56 : 383,701.68 = 108,130.08 : x - Step 2: Convert to fraction form
255,862.56/383,701.68 = 108,130.08/x - Step 3: Cross multiply
255,862.56x = 383,701.68 × 108,130.08 - Step 4: Simplify right side
255,862.56x = 41,489,693,354.53 - Step 5: Solve for x
x = 41,489,693,354.53/255,862.56 - Step 6: Final answer
x = 162,156.17
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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.