Finding the Fourth Proportional to 247,742.16, 371,613.12 and 70,250.70
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Solution
The fourth proportional to 247,742.16, 371,613.12 and 70,250.70 is: 105,376.02
Step by Step Solution
- Step 1: Write the proportion equation
247,742.16 : 371,613.12 = 70,250.70 : x - Step 2: Convert to fraction form
247,742.16/371,613.12 = 70,250.70/x - Step 3: Cross multiply
247,742.16x = 371,613.12 × 70,250.70 - Step 4: Simplify right side
247,742.16x = 26,106,081,809.18 - Step 5: Solve for x
x = 26,106,081,809.18/247,742.16 - Step 6: Final answer
x = 105,376.02
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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.