Finding the Fourth Proportional to 264,424.23, 364,903.36 and 143,563.10
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Solution
The fourth proportional to 264,424.23, 364,903.36 and 143,563.10 is: 198,115.94
Step by Step Solution
- Step 1: Write the proportion equation
264,424.23 : 364,903.36 = 143,563.10 : x - Step 2: Convert to fraction form
264,424.23/364,903.36 = 143,563.10/x - Step 3: Cross multiply
264,424.23x = 364,903.36 × 143,563.10 - Step 4: Simplify right side
264,424.23x = 52,386,655,378.59 - Step 5: Solve for x
x = 52,386,655,378.59/264,424.23 - Step 6: Final answer
x = 198,115.94
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1.5x scale
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.