Finding the Fourth Proportional to 645,038.64, 967,559.76 and 195,762.96
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Solution
The fourth proportional to 645,038.64, 967,559.76 and 195,762.96 is: 293,644.99
Step by Step Solution
- Step 1: Write the proportion equation
645,038.64 : 967,559.76 = 195,762.96 : x - Step 2: Convert to fraction form
645,038.64/967,559.76 = 195,762.96/x - Step 3: Cross multiply
645,038.64x = 967,559.76 × 195,762.96 - Step 4: Simplify right side
645,038.64x = 189,412,362,594.49 - Step 5: Solve for x
x = 189,412,362,594.49/645,038.64 - Step 6: Final answer
x = 293,644.99
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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.