Finding the Fourth Proportional to 439,402.99, 606,352.58 and 248,404.99
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Solution
The fourth proportional to 439,402.99, 606,352.58 and 248,404.99 is: 342,785.57
Step by Step Solution
- Step 1: Write the proportion equation
439,402.99 : 606,352.58 = 248,404.99 : x - Step 2: Convert to fraction form
439,402.99/606,352.58 = 248,404.99/x - Step 3: Cross multiply
439,402.99x = 606,352.58 × 248,404.99 - Step 4: Simplify right side
439,402.99x = 150,621,005,329.35 - Step 5: Solve for x
x = 150,621,005,329.35/439,402.99 - Step 6: Final answer
x = 342,785.57
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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.