Finding the Fourth Proportional to 260,298.05, 390,544.28 and 102,636.41
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Solution
The fourth proportional to 260,298.05, 390,544.28 and 102,636.41 is: 153,992.94
Step by Step Solution
- Step 1: Write the proportion equation
260,298.05 : 390,544.28 = 102,636.41 : x - Step 2: Convert to fraction form
260,298.05/390,544.28 = 102,636.41/x - Step 3: Cross multiply
260,298.05x = 390,544.28 × 102,636.41 - Step 4: Simplify right side
260,298.05x = 40,084,062,332.05 - Step 5: Solve for x
x = 40,084,062,332.05/260,298.05 - Step 6: Final answer
x = 153,992.94
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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.