Finding the Fourth Proportional to 402,176.70, 603,346.05 and 117,866.70
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Solution
The fourth proportional to 402,176.70, 603,346.05 and 117,866.70 is: 176,823.79
Step by Step Solution
- Step 1: Write the proportion equation
402,176.70 : 603,346.05 = 117,866.70 : x - Step 2: Convert to fraction form
402,176.70/603,346.05 = 117,866.70/x - Step 3: Cross multiply
402,176.70x = 603,346.05 × 117,866.70 - Step 4: Simplify right side
402,176.70x = 71,114,407,871.54 - Step 5: Solve for x
x = 71,114,407,871.54/402,176.70 - Step 6: Final answer
x = 176,823.79
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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.