Finding the Fourth Proportional to 509,169.84, 762,592.14 and 243,117.12
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Solution
The fourth proportional to 509,169.84, 762,592.14 and 243,117.12 is: 364,120.56
Step by Step Solution
- Step 1: Write the proportion equation
509,169.84 : 762,592.14 = 243,117.12 : x - Step 2: Convert to fraction form
509,169.84/762,592.14 = 243,117.12/x - Step 3: Cross multiply
509,169.84x = 762,592.14 × 243,117.12 - Step 4: Simplify right side
509,169.84x = 185,399,204,811.44 - Step 5: Solve for x
x = 185,399,204,811.44/509,169.84 - Step 6: Final answer
x = 364,120.56
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1.5x scale
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.