Finding the Fourth Proportional to 224,140.70, 336,211.05 and 81,985.70
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Solution
The fourth proportional to 224,140.70, 336,211.05 and 81,985.70 is: 122,978.55
Step by Step Solution
- Step 1: Write the proportion equation
224,140.70 : 336,211.05 = 81,985.70 : x - Step 2: Convert to fraction form
224,140.70/336,211.05 = 81,985.70/x - Step 3: Cross multiply
224,140.70x = 336,211.05 × 81,985.70 - Step 4: Simplify right side
224,140.70x = 27,564,498,281.99 - Step 5: Solve for x
x = 27,564,498,281.99/224,140.70 - Step 6: Final answer
x = 122,978.55
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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.