Finding the Fourth Proportional to 452,950.56, 679,408.11 and 153,431.14
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Solution
The fourth proportional to 452,950.56, 679,408.11 and 153,431.14 is: 230,140.70
Step by Step Solution
- Step 1: Write the proportion equation
452,950.56 : 679,408.11 = 153,431.14 : x - Step 2: Convert to fraction form
452,950.56/679,408.11 = 153,431.14/x - Step 3: Cross multiply
452,950.56x = 679,408.11 × 153,431.14 - Step 4: Simplify right side
452,950.56x = 104,242,360,842.55 - Step 5: Solve for x
x = 104,242,360,842.55/452,950.56 - Step 6: Final answer
x = 230,140.70
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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.