Finding the Fourth Proportional to 528,189.71, 792,270.66 and 149,136.68
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Solution
The fourth proportional to 528,189.71, 792,270.66 and 149,136.68 is: 223,701.09
Step by Step Solution
- Step 1: Write the proportion equation
528,189.71 : 792,270.66 = 149,136.68 : x - Step 2: Convert to fraction form
528,189.71/792,270.66 = 149,136.68/x - Step 3: Cross multiply
528,189.71x = 792,270.66 × 149,136.68 - Step 4: Simplify right side
528,189.71x = 118,156,615,893.81 - Step 5: Solve for x
x = 118,156,615,893.81/528,189.71 - Step 6: Final answer
x = 223,701.09
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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.