Finding the Fourth Proportional to 430,201.63, 645,363.80 and 160,306.75
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Solution
The fourth proportional to 430,201.63, 645,363.80 and 160,306.75 is: 240,482.98
Step by Step Solution
- Step 1: Write the proportion equation
430,201.63 : 645,363.80 = 160,306.75 : x - Step 2: Convert to fraction form
430,201.63/645,363.80 = 160,306.75/x - Step 3: Cross multiply
430,201.63x = 645,363.80 × 160,306.75 - Step 4: Simplify right side
430,201.63x = 103,456,171,223.53 - Step 5: Solve for x
x = 103,456,171,223.53/430,201.63 - Step 6: Final answer
x = 240,482.98
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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.