Finding the Fourth Proportional to 349,731.20, 524,596.80 and 97,011.20
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Solution
The fourth proportional to 349,731.20, 524,596.80 and 97,011.20 is: 145,516.80
Step by Step Solution
- Step 1: Write the proportion equation
349,731.20 : 524,596.80 = 97,011.20 : x - Step 2: Convert to fraction form
349,731.20/524,596.80 = 97,011.20/x - Step 3: Cross multiply
349,731.20x = 524,596.80 × 97,011.20 - Step 4: Simplify right side
349,731.20x = 50,891,765,084.16 - Step 5: Solve for x
x = 50,891,765,084.16/349,731.20 - Step 6: Final answer
x = 145,516.80
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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.