Finding the Fourth Proportional to 178,817.10, 268,128.45 and 73,646.70
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Solution
The fourth proportional to 178,817.10, 268,128.45 and 73,646.70 is: 110,430.02
Step by Step Solution
- Step 1: Write the proportion equation
178,817.10 : 268,128.45 = 73,646.70 : x - Step 2: Convert to fraction form
178,817.10/268,128.45 = 73,646.70/x - Step 3: Cross multiply
178,817.10x = 268,128.45 × 73,646.70 - Step 4: Simplify right side
178,817.10x = 19,746,775,518.62 - Step 5: Solve for x
x = 19,746,775,518.62/178,817.10 - Step 6: Final answer
x = 110,430.02
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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.