Finding the Fourth Proportional to 388,352.68, 536,092.53 and 261,102.07
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Solution
The fourth proportional to 388,352.68, 536,092.53 and 261,102.07 is: 360,432.35
Step by Step Solution
- Step 1: Write the proportion equation
388,352.68 : 536,092.53 = 261,102.07 : x - Step 2: Convert to fraction form
388,352.68/536,092.53 = 261,102.07/x - Step 3: Cross multiply
388,352.68x = 536,092.53 × 261,102.07 - Step 4: Simplify right side
388,352.68x = 139,974,869,294.54 - Step 5: Solve for x
x = 139,974,869,294.54/388,352.68 - Step 6: Final answer
x = 360,432.35
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.