Finding the Fourth Proportional to 134,237.24, 201,511.40 and 72,029.24
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Solution
The fourth proportional to 134,237.24, 201,511.40 and 72,029.24 is: 108,127.32
Step by Step Solution
- Step 1: Write the proportion equation
134,237.24 : 201,511.40 = 72,029.24 : x - Step 2: Convert to fraction form
134,237.24/201,511.40 = 72,029.24/x - Step 3: Cross multiply
134,237.24x = 201,511.40 × 72,029.24 - Step 4: Simplify right side
134,237.24x = 14,514,712,993.34 - Step 5: Solve for x
x = 14,514,712,993.34/134,237.24 - Step 6: Final answer
x = 108,127.32
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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.