Finding the Fourth Proportional to 430,542.06, 645,813.63 and 205,849.68
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Solution
The fourth proportional to 430,542.06, 645,813.63 and 205,849.68 is: 308,774.78
Step by Step Solution
- Step 1: Write the proportion equation
430,542.06 : 645,813.63 = 205,849.68 : x - Step 2: Convert to fraction form
430,542.06/645,813.63 = 205,849.68/x - Step 3: Cross multiply
430,542.06x = 645,813.63 × 205,849.68 - Step 4: Simplify right side
430,542.06x = 132,940,529,075.14 - Step 5: Solve for x
x = 132,940,529,075.14/430,542.06 - Step 6: Final answer
x = 308,774.78
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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.