Finding the Fourth Proportional to 552,343.68, 762,260.12 and 307,329.80
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Solution
The fourth proportional to 552,343.68, 762,260.12 and 307,329.80 is: 424,129.50
Step by Step Solution
- Step 1: Write the proportion equation
552,343.68 : 762,260.12 = 307,329.80 : x - Step 2: Convert to fraction form
552,343.68/762,260.12 = 307,329.80/x - Step 3: Cross multiply
552,343.68x = 762,260.12 × 307,329.80 - Step 4: Simplify right side
552,343.68x = 234,265,250,227.58 - Step 5: Solve for x
x = 234,265,250,227.58/552,343.68 - Step 6: Final answer
x = 424,129.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.