Finding the Fourth Proportional to 238,278.84, 328,827.08 and 130,851.12
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Solution
The fourth proportional to 238,278.84, 328,827.08 and 130,851.12 is: 180,575.80
Step by Step Solution
- Step 1: Write the proportion equation
238,278.84 : 328,827.08 = 130,851.12 : x - Step 2: Convert to fraction form
238,278.84/328,827.08 = 130,851.12/x - Step 3: Cross multiply
238,278.84x = 328,827.08 × 130,851.12 - Step 4: Simplify right side
238,278.84x = 43,027,391,704.33 - Step 5: Solve for x
x = 43,027,391,704.33/238,278.84 - Step 6: Final answer
x = 180,575.80
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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.