Finding the Fourth Proportional to 251,341.24, 346,850.94 and 143,946.88
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Solution
The fourth proportional to 251,341.24, 346,850.94 and 143,946.88 is: 198,646.71
Step by Step Solution
- Step 1: Write the proportion equation
251,341.24 : 346,850.94 = 143,946.88 : x - Step 2: Convert to fraction form
251,341.24/346,850.94 = 143,946.88/x - Step 3: Cross multiply
251,341.24x = 346,850.94 × 143,946.88 - Step 4: Simplify right side
251,341.24x = 49,928,110,638.07 - Step 5: Solve for x
x = 49,928,110,638.07/251,341.24 - Step 6: Final answer
x = 198,646.71
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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.