Finding the Fourth Proportional to 509,371.32, 763,794.42 and 228,648.12
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Solution
The fourth proportional to 509,371.32, 763,794.42 and 228,648.12 is: 342,854.32
Step by Step Solution
- Step 1: Write the proportion equation
509,371.32 : 763,794.42 = 228,648.12 : x - Step 2: Convert to fraction form
509,371.32/763,794.42 = 228,648.12/x - Step 3: Cross multiply
509,371.32x = 763,794.42 × 228,648.12 - Step 4: Simplify right side
509,371.32x = 174,640,158,199.49 - Step 5: Solve for x
x = 174,640,158,199.49/509,371.32 - Step 6: Final answer
x = 342,854.32
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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.