Finding the Fourth Proportional to 254,461.84, 351,158.12 and 141,284.88
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Solution
The fourth proportional to 254,461.84, 351,158.12 and 141,284.88 is: 194,973.57
Step by Step Solution
- Step 1: Write the proportion equation
254,461.84 : 351,158.12 = 141,284.88 : x - Step 2: Convert to fraction form
254,461.84/351,158.12 = 141,284.88/x - Step 3: Cross multiply
254,461.84x = 351,158.12 × 141,284.88 - Step 4: Simplify right side
254,461.84x = 49,613,332,845.23 - Step 5: Solve for x
x = 49,613,332,845.23/254,461.84 - Step 6: Final answer
x = 194,973.57
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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.