Finding the Fourth Proportional to 375,115.12, 561,464.52 and 247,137.07
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Solution
The fourth proportional to 375,115.12, 561,464.52 and 247,137.07 is: 369,909.63
Step by Step Solution
- Step 1: Write the proportion equation
375,115.12 : 561,464.52 = 247,137.07 : x - Step 2: Convert to fraction form
375,115.12/561,464.52 = 247,137.07/x - Step 3: Cross multiply
375,115.12x = 561,464.52 × 247,137.07 - Step 4: Simplify right side
375,115.12x = 138,758,696,381.76 - Step 5: Solve for x
x = 138,758,696,381.76/375,115.12 - Step 6: Final answer
x = 369,909.63
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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.