Finding the Fourth Proportional to 402,158.70, 603,319.05 and 117,848.70
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Solution
The fourth proportional to 402,158.70, 603,319.05 and 117,848.70 is: 176,796.79
Step by Step Solution
- Step 1: Write the proportion equation
402,158.70 : 603,319.05 = 117,848.70 : x - Step 2: Convert to fraction form
402,158.70/603,319.05 = 117,848.70/x - Step 3: Cross multiply
402,158.70x = 603,319.05 × 117,848.70 - Step 4: Simplify right side
402,158.70x = 71,100,365,727.74 - Step 5: Solve for x
x = 71,100,365,727.74/402,158.70 - Step 6: Final answer
x = 176,796.79
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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.