Finding the Fourth Proportional to 665,130.21, 997,687.98 and 191,800.23
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Solution
The fourth proportional to 665,130.21, 997,687.98 and 191,800.23 is: 287,698.23
Step by Step Solution
- Step 1: Write the proportion equation
665,130.21 : 997,687.98 = 191,800.23 : x - Step 2: Convert to fraction form
665,130.21/997,687.98 = 191,800.23/x - Step 3: Cross multiply
665,130.21x = 997,687.98 × 191,800.23 - Step 4: Simplify right side
665,130.21x = 191,356,784,032.24 - Step 5: Solve for x
x = 191,356,784,032.24/665,130.21 - Step 6: Final answer
x = 287,698.23
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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.