Finding the Fourth Proportional to 299,130.98, 448,565.11 and 112,011.26
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Solution
The fourth proportional to 299,130.98, 448,565.11 and 112,011.26 is: 167,967.70
Step by Step Solution
- Step 1: Write the proportion equation
299,130.98 : 448,565.11 = 112,011.26 : x - Step 2: Convert to fraction form
299,130.98/448,565.11 = 112,011.26/x - Step 3: Cross multiply
299,130.98x = 448,565.11 × 112,011.26 - Step 4: Simplify right side
299,130.98x = 50,244,340,640.28 - Step 5: Solve for x
x = 50,244,340,640.28/299,130.98 - Step 6: Final answer
x = 167,967.70
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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.