Finding the Fourth Proportional to 210,651.60, 316,037.28 and 104,068.08
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Solution
The fourth proportional to 210,651.60, 316,037.28 and 104,068.08 is: 156,131.70
Step by Step Solution
- Step 1: Write the proportion equation
210,651.60 : 316,037.28 = 104,068.08 : x - Step 2: Convert to fraction form
210,651.60/316,037.28 = 104,068.08/x - Step 3: Cross multiply
210,651.60x = 316,037.28 × 104,068.08 - Step 4: Simplify right side
210,651.60x = 32,889,392,938.02 - Step 5: Solve for x
x = 32,889,392,938.02/210,651.60 - Step 6: Final answer
x = 156,131.70
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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.