Finding the Fourth Proportional to 476,449.76, 657,501.98 and 261,603.74
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Solution
The fourth proportional to 476,449.76, 657,501.98 and 261,603.74 is: 361,013.88
Step by Step Solution
- Step 1: Write the proportion equation
476,449.76 : 657,501.98 = 261,603.74 : x - Step 2: Convert to fraction form
476,449.76/657,501.98 = 261,603.74/x - Step 3: Cross multiply
476,449.76x = 657,501.98 × 261,603.74 - Step 4: Simplify right side
476,449.76x = 172,004,977,025.41 - Step 5: Solve for x
x = 172,004,977,025.41/476,449.76 - Step 6: Final answer
x = 361,013.88
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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.