Finding the Fourth Proportional to 657,055.92, 985,591.77 and 257,884.68
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Solution
The fourth proportional to 657,055.92, 985,591.77 and 257,884.68 is: 386,830.12
Step by Step Solution
- Step 1: Write the proportion equation
657,055.92 : 985,591.77 = 257,884.68 : x - Step 2: Convert to fraction form
657,055.92/985,591.77 = 257,884.68/x - Step 3: Cross multiply
657,055.92x = 985,591.77 × 257,884.68 - Step 4: Simplify right side
657,055.92x = 254,169,018,217.08 - Step 5: Solve for x
x = 254,169,018,217.08/657,055.92 - Step 6: Final answer
x = 386,830.12
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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.