Finding the Fourth Proportional to 371,280.12, 512,367.08 and 201,514.26
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Solution
The fourth proportional to 371,280.12, 512,367.08 and 201,514.26 is: 278,089.96
Step by Step Solution
- Step 1: Write the proportion equation
371,280.12 : 512,367.08 = 201,514.26 : x - Step 2: Convert to fraction form
371,280.12/512,367.08 = 201,514.26/x - Step 3: Cross multiply
371,280.12x = 512,367.08 × 201,514.26 - Step 4: Simplify right side
371,280.12x = 103,249,271,966.99 - Step 5: Solve for x
x = 103,249,271,966.99/371,280.12 - Step 6: Final answer
x = 278,089.96
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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.