Finding the Fourth Proportional to 156,211.78, 234,269.20 and 56,358.99
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Solution
The fourth proportional to 156,211.78, 234,269.20 and 56,358.99 is: 84,521.00
Step by Step Solution
- Step 1: Write the proportion equation
156,211.78 : 234,269.20 = 56,358.99 : x - Step 2: Convert to fraction form
156,211.78/234,269.20 = 56,358.99/x - Step 3: Cross multiply
156,211.78x = 234,269.20 × 56,358.99 - Step 4: Simplify right side
156,211.78x = 13,203,175,500.11 - Step 5: Solve for x
x = 13,203,175,500.11/156,211.78 - Step 6: Final answer
x = 84,521.00
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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.