Finding the Fourth Proportional to 424,837.28, 586,206.84 and 243,515.85
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Solution
The fourth proportional to 424,837.28, 586,206.84 and 243,515.85 is: 336,012.55
Step by Step Solution
- Step 1: Write the proportion equation
424,837.28 : 586,206.84 = 243,515.85 : x - Step 2: Convert to fraction form
424,837.28/586,206.84 = 243,515.85/x - Step 3: Cross multiply
424,837.28x = 586,206.84 × 243,515.85 - Step 4: Simplify right side
424,837.28x = 142,750,656,918.41 - Step 5: Solve for x
x = 142,750,656,918.41/424,837.28 - Step 6: Final answer
x = 336,012.55
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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.