Finding the Fourth Proportional to 130,644.87, 180,291.84 and 73,296.87
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Solution
The fourth proportional to 130,644.87, 180,291.84 and 73,296.87 is: 101,150.76
Step by Step Solution
- Step 1: Write the proportion equation
130,644.87 : 180,291.84 = 73,296.87 : x - Step 2: Convert to fraction form
130,644.87/180,291.84 = 73,296.87/x - Step 3: Cross multiply
130,644.87x = 180,291.84 × 73,296.87 - Step 4: Simplify right side
130,644.87x = 13,214,827,558.54 - Step 5: Solve for x
x = 13,214,827,558.54/130,644.87 - Step 6: Final answer
x = 101,150.76
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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.