Finding the Fourth Proportional to 239,072.01, 358,355.14 and 79,106.63
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Solution
The fourth proportional to 239,072.01, 358,355.14 and 79,106.63 is: 118,576.26
Step by Step Solution
- Step 1: Write the proportion equation
239,072.01 : 358,355.14 = 79,106.63 : x - Step 2: Convert to fraction form
239,072.01/358,355.14 = 79,106.63/x - Step 3: Cross multiply
239,072.01x = 358,355.14 × 79,106.63 - Step 4: Simplify right side
239,072.01x = 28,348,265,479.04 - Step 5: Solve for x
x = 28,348,265,479.04/239,072.01 - Step 6: Final answer
x = 118,576.26
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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.