Finding the Fourth Proportional to 134,472.31, 201,730.36 and 39,712.08
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Solution
The fourth proportional to 134,472.31, 201,730.36 and 39,712.08 is: 59,574.58
Step by Step Solution
- Step 1: Write the proportion equation
134,472.31 : 201,730.36 = 39,712.08 : x - Step 2: Convert to fraction form
134,472.31/201,730.36 = 39,712.08/x - Step 3: Cross multiply
134,472.31x = 201,730.36 × 39,712.08 - Step 4: Simplify right side
134,472.31x = 8,011,131,338.98 - Step 5: Solve for x
x = 8,011,131,338.98/134,472.31 - Step 6: Final answer
x = 59,574.58
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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.