Finding the Fourth Proportional to 283,013.28, 424,429.80 and 93,438.36
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Solution
The fourth proportional to 283,013.28, 424,429.80 and 93,438.36 is: 140,127.79
Step by Step Solution
- Step 1: Write the proportion equation
283,013.28 : 424,429.80 = 93,438.36 : x - Step 2: Convert to fraction form
283,013.28/424,429.80 = 93,438.36/x - Step 3: Cross multiply
283,013.28x = 424,429.80 × 93,438.36 - Step 4: Simplify right side
283,013.28x = 39,658,024,447.13 - Step 5: Solve for x
x = 39,658,024,447.13/283,013.28 - Step 6: Final answer
x = 140,127.79
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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.