Finding the Fourth Proportional to 450,114.64, 621,133.08 and 246,125.08
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Solution
The fourth proportional to 450,114.64, 621,133.08 and 246,125.08 is: 339,638.87
Step by Step Solution
- Step 1: Write the proportion equation
450,114.64 : 621,133.08 = 246,125.08 : x - Step 2: Convert to fraction form
450,114.64/621,133.08 = 246,125.08/x - Step 3: Cross multiply
450,114.64x = 621,133.08 × 246,125.08 - Step 4: Simplify right side
450,114.64x = 152,876,429,005.65 - Step 5: Solve for x
x = 152,876,429,005.65/450,114.64 - Step 6: Final answer
x = 339,638.87
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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.