Finding the Fourth Proportional to 402,124.40, 603,526.80 and 165,636.80
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Solution
The fourth proportional to 402,124.40, 603,526.80 and 165,636.80 is: 248,595.33
Step by Step Solution
- Step 1: Write the proportion equation
402,124.40 : 603,526.80 = 165,636.80 : x - Step 2: Convert to fraction form
402,124.40/603,526.80 = 165,636.80/x - Step 3: Cross multiply
402,124.40x = 603,526.80 × 165,636.80 - Step 4: Simplify right side
402,124.40x = 99,966,247,866.24 - Step 5: Solve for x
x = 99,966,247,866.24/402,124.40 - Step 6: Final answer
x = 248,595.33
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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.