Finding the Fourth Proportional to 178,913.84, 268,267.06 and 73,613.84
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Solution
The fourth proportional to 178,913.84, 268,267.06 and 73,613.84 is: 110,378.09
Step by Step Solution
- Step 1: Write the proportion equation
178,913.84 : 268,267.06 = 73,613.84 : x - Step 2: Convert to fraction form
178,913.84/268,267.06 = 73,613.84/x - Step 3: Cross multiply
178,913.84x = 268,267.06 × 73,613.84 - Step 4: Simplify right side
178,913.84x = 19,748,168,432.11 - Step 5: Solve for x
x = 19,748,168,432.11/178,913.84 - Step 6: Final answer
x = 110,378.09
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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.