Finding the Fourth Proportional to 445,880.64, 668,890.67 and 146,293.08
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Solution
The fourth proportional to 445,880.64, 668,890.67 and 146,293.08 is: 219,462.49
Step by Step Solution
- Step 1: Write the proportion equation
445,880.64 : 668,890.67 = 146,293.08 : x - Step 2: Convert to fraction form
445,880.64/668,890.67 = 146,293.08/x - Step 3: Cross multiply
445,880.64x = 668,890.67 × 146,293.08 - Step 4: Simplify right side
445,880.64x = 97,854,075,566.10 - Step 5: Solve for x
x = 97,854,075,566.10/445,880.64 - Step 6: Final answer
x = 219,462.49
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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.