Finding the Fourth Proportional to 330,400.08, 455,937.44 and 187,157.24
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Solution
The fourth proportional to 330,400.08, 455,937.44 and 187,157.24 is: 258,268.68
Step by Step Solution
- Step 1: Write the proportion equation
330,400.08 : 455,937.44 = 187,157.24 : x - Step 2: Convert to fraction form
330,400.08/455,937.44 = 187,157.24/x - Step 3: Cross multiply
330,400.08x = 455,937.44 × 187,157.24 - Step 4: Simplify right side
330,400.08x = 85,331,992,883.07 - Step 5: Solve for x
x = 85,331,992,883.07/330,400.08 - Step 6: Final answer
x = 258,268.68
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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.