Finding the Fourth Proportional to 152,372.68, 228,706.44 and 73,542.40
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Solution
The fourth proportional to 152,372.68, 228,706.44 and 73,542.40 is: 110,384.75
Step by Step Solution
- Step 1: Write the proportion equation
152,372.68 : 228,706.44 = 73,542.40 : x - Step 2: Convert to fraction form
152,372.68/228,706.44 = 73,542.40/x - Step 3: Cross multiply
152,372.68x = 228,706.44 × 73,542.40 - Step 4: Simplify right side
152,372.68x = 16,819,620,493.06 - Step 5: Solve for x
x = 16,819,620,493.06/152,372.68 - Step 6: Final answer
x = 110,384.75
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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.