Finding the Fourth Proportional to 445,848.32, 668,703.36 and 130,220.48
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Solution
The fourth proportional to 445,848.32, 668,703.36 and 130,220.48 is: 195,310.53
Step by Step Solution
- Step 1: Write the proportion equation
445,848.32 : 668,703.36 = 130,220.48 : x - Step 2: Convert to fraction form
445,848.32/668,703.36 = 130,220.48/x - Step 3: Cross multiply
445,848.32x = 668,703.36 × 130,220.48 - Step 4: Simplify right side
445,848.32x = 87,078,872,516.81 - Step 5: Solve for x
x = 87,078,872,516.81/445,848.32 - Step 6: Final answer
x = 195,310.53
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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.