Finding the Fourth Proportional to 130,357.18, 179,800.05 and 119,636.62
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Solution
The fourth proportional to 130,357.18, 179,800.05 and 119,636.62 is: 165,013.31
Step by Step Solution
- Step 1: Write the proportion equation
130,357.18 : 179,800.05 = 119,636.62 : x - Step 2: Convert to fraction form
130,357.18/179,800.05 = 119,636.62/x - Step 3: Cross multiply
130,357.18x = 179,800.05 × 119,636.62 - Step 4: Simplify right side
130,357.18x = 21,510,670,257.83 - Step 5: Solve for x
x = 21,510,670,257.83/130,357.18 - Step 6: Final answer
x = 165,013.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.