Finding the Fourth Proportional to 269,328.08, 371,671.80 and 156,215.36
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Solution
The fourth proportional to 269,328.08, 371,671.80 and 156,215.36 is: 215,576.65
Step by Step Solution
- Step 1: Write the proportion equation
269,328.08 : 371,671.80 = 156,215.36 : x - Step 2: Convert to fraction form
269,328.08/371,671.80 = 156,215.36/x - Step 3: Cross multiply
269,328.08x = 371,671.80 × 156,215.36 - Step 4: Simplify right side
269,328.08x = 58,060,844,038.85 - Step 5: Solve for x
x = 58,060,844,038.85/269,328.08 - Step 6: Final answer
x = 215,576.65
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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.