Finding the Fourth Proportional to 238,391.24, 357,547.56 and 78,469.26
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Solution
The fourth proportional to 238,391.24, 357,547.56 and 78,469.26 is: 117,690.95
Step by Step Solution
- Step 1: Write the proportion equation
238,391.24 : 357,547.56 = 78,469.26 : x - Step 2: Convert to fraction form
238,391.24/357,547.56 = 78,469.26/x - Step 3: Cross multiply
238,391.24x = 357,547.56 × 78,469.26 - Step 4: Simplify right side
238,391.24x = 28,056,492,448.01 - Step 5: Solve for x
x = 28,056,492,448.01/238,391.24 - Step 6: Final answer
x = 117,690.95
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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.