Finding the Fourth Proportional to 868,590.11, 1,303,059.29 and 299,992.05
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Solution
The fourth proportional to 868,590.11, 1,303,059.29 and 299,992.05 is: 450,048.21
Step by Step Solution
- Step 1: Write the proportion equation
868,590.11 : 1,303,059.29 = 299,992.05 : x - Step 2: Convert to fraction form
868,590.11/1,303,059.29 = 299,992.05/x - Step 3: Cross multiply
868,590.11x = 1,303,059.29 × 299,992.05 - Step 4: Simplify right side
868,590.11x = 390,907,426,178.68 - Step 5: Solve for x
x = 390,907,426,178.68/868,590.11 - Step 6: Final answer
x = 450,048.21
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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.