Finding the Fourth Proportional to 436,590.07, 654,885.14 and 121,046.99
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Solution
The fourth proportional to 436,590.07, 654,885.14 and 121,046.99 is: 181,570.49
Step by Step Solution
- Step 1: Write the proportion equation
436,590.07 : 654,885.14 = 121,046.99 : x - Step 2: Convert to fraction form
436,590.07/654,885.14 = 121,046.99/x - Step 3: Cross multiply
436,590.07x = 654,885.14 × 121,046.99 - Step 4: Simplify right side
436,590.07x = 79,271,871,113.07 - Step 5: Solve for x
x = 79,271,871,113.07/436,590.07 - Step 6: Final answer
x = 181,570.49
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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.