Finding the Fourth Proportional to 423,107.21, 634,963.84 and 180,118.64
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Solution
The fourth proportional to 423,107.21, 634,963.84 and 180,118.64 is: 270,306.96
Step by Step Solution
- Step 1: Write the proportion equation
423,107.21 : 634,963.84 = 180,118.64 : x - Step 2: Convert to fraction form
423,107.21/634,963.84 = 180,118.64/x - Step 3: Cross multiply
423,107.21x = 634,963.84 × 180,118.64 - Step 4: Simplify right side
423,107.21x = 114,368,825,671.66 - Step 5: Solve for x
x = 114,368,825,671.66/423,107.21 - Step 6: Final answer
x = 270,306.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.