Finding the Fourth Proportional to 252,937.98, 349,050.12 and 138,214.08
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Solution
The fourth proportional to 252,937.98, 349,050.12 and 138,214.08 is: 190,733.08
Step by Step Solution
- Step 1: Write the proportion equation
252,937.98 : 349,050.12 = 138,214.08 : x - Step 2: Convert to fraction form
252,937.98/349,050.12 = 138,214.08/x - Step 3: Cross multiply
252,937.98x = 349,050.12 × 138,214.08 - Step 4: Simplify right side
252,937.98x = 48,243,641,209.69 - Step 5: Solve for x
x = 48,243,641,209.69/252,937.98 - Step 6: Final answer
x = 190,733.08
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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.