Finding the Fourth Proportional to 418,299.12, 627,507.36 and 152,029.44
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Solution
The fourth proportional to 418,299.12, 627,507.36 and 152,029.44 is: 228,065.49
Step by Step Solution
- Step 1: Write the proportion equation
418,299.12 : 627,507.36 = 152,029.44 : x - Step 2: Convert to fraction form
418,299.12/627,507.36 = 152,029.44/x - Step 3: Cross multiply
418,299.12x = 627,507.36 × 152,029.44 - Step 4: Simplify right side
418,299.12x = 95,399,592,536.68 - Step 5: Solve for x
x = 95,399,592,536.68/418,299.12 - Step 6: Final answer
x = 228,065.49
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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.