Finding the Fourth Proportional to 458,567.64, 687,586.44 and 177,756.84
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Solution
The fourth proportional to 458,567.64, 687,586.44 and 177,756.84 is: 266,532.53
Step by Step Solution
- Step 1: Write the proportion equation
458,567.64 : 687,586.44 = 177,756.84 : x - Step 2: Convert to fraction form
458,567.64/687,586.44 = 177,756.84/x - Step 3: Cross multiply
458,567.64x = 687,586.44 × 177,756.84 - Step 4: Simplify right side
458,567.64x = 122,223,192,801.25 - Step 5: Solve for x
x = 122,223,192,801.25/458,567.64 - Step 6: Final answer
x = 266,532.53
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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.