Finding the Fourth Proportional to 458,745.09, 633,068.25 and 257,541.09
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Solution
The fourth proportional to 458,745.09, 633,068.25 and 257,541.09 is: 355,406.72
Step by Step Solution
- Step 1: Write the proportion equation
458,745.09 : 633,068.25 = 257,541.09 : x - Step 2: Convert to fraction form
458,745.09/633,068.25 = 257,541.09/x - Step 3: Cross multiply
458,745.09x = 633,068.25 × 257,541.09 - Step 4: Simplify right side
458,745.09x = 163,041,087,149.39 - Step 5: Solve for x
x = 163,041,087,149.39/458,745.09 - Step 6: Final answer
x = 355,406.72
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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.