Finding the Fourth Proportional to 299,303.20, 448,954.80 and 187,328.80
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Solution
The fourth proportional to 299,303.20, 448,954.80 and 187,328.80 is: 280,993.20
Step by Step Solution
- Step 1: Write the proportion equation
299,303.20 : 448,954.80 = 187,328.80 : x - Step 2: Convert to fraction form
299,303.20/448,954.80 = 187,328.80/x - Step 3: Cross multiply
299,303.20x = 448,954.80 × 187,328.80 - Step 4: Simplify right side
299,303.20x = 84,102,163,938.24 - Step 5: Solve for x
x = 84,102,163,938.24/299,303.20 - Step 6: Final answer
x = 280,993.20
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1.5x scale
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.