Finding the Fourth Proportional to 323,488.44, 485,577.72 and 286,285.14
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Solution
The fourth proportional to 323,488.44, 485,577.72 and 286,285.14 is: 429,733.09
Step by Step Solution
- Step 1: Write the proportion equation
323,488.44 : 485,577.72 = 286,285.14 : x - Step 2: Convert to fraction form
323,488.44/485,577.72 = 286,285.14/x - Step 3: Cross multiply
323,488.44x = 485,577.72 × 286,285.14 - Step 4: Simplify right side
323,488.44x = 139,013,685,551.08 - Step 5: Solve for x
x = 139,013,685,551.08/323,488.44 - Step 6: Final answer
x = 429,733.09
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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.