Finding the Fourth Proportional to 438,935.24, 605,751.38 and 257,655.08
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Solution
The fourth proportional to 438,935.24, 605,751.38 and 257,655.08 is: 355,576.19
Step by Step Solution
- Step 1: Write the proportion equation
438,935.24 : 605,751.38 = 257,655.08 : x - Step 2: Convert to fraction form
438,935.24/605,751.38 = 257,655.08/x - Step 3: Cross multiply
438,935.24x = 605,751.38 × 257,655.08 - Step 4: Simplify right side
438,935.24x = 156,074,920,274.01 - Step 5: Solve for x
x = 156,074,920,274.01/438,935.24 - Step 6: Final answer
x = 355,576.19
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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.