Finding the Fourth Proportional to 388,970.52, 583,122.98 and 149,256.44
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Solution
The fourth proportional to 388,970.52, 583,122.98 and 149,256.44 is: 223,756.96
Step by Step Solution
- Step 1: Write the proportion equation
388,970.52 : 583,122.98 = 149,256.44 : x - Step 2: Convert to fraction form
388,970.52/583,122.98 = 149,256.44/x - Step 3: Cross multiply
388,970.52x = 583,122.98 × 149,256.44 - Step 4: Simplify right side
388,970.52x = 87,034,859,721.23 - Step 5: Solve for x
x = 87,034,859,721.23/388,970.52 - Step 6: Final answer
x = 223,756.96
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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.