Finding the Fourth Proportional to 438,607.80, 657,911.70 and 106,183.80
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Solution
The fourth proportional to 438,607.80, 657,911.70 and 106,183.80 is: 159,275.70
Step by Step Solution
- Step 1: Write the proportion equation
438,607.80 : 657,911.70 = 106,183.80 : x - Step 2: Convert to fraction form
438,607.80/657,911.70 = 106,183.80/x - Step 3: Cross multiply
438,607.80x = 657,911.70 × 106,183.80 - Step 4: Simplify right side
438,607.80x = 69,859,564,370.46 - Step 5: Solve for x
x = 69,859,564,370.46/438,607.80 - Step 6: Final answer
x = 159,275.70
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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.