Finding the Fourth Proportional to 423,065.16, 634,599.92 and 142,584.84
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Solution
The fourth proportional to 423,065.16, 634,599.92 and 142,584.84 is: 213,877.99
Step by Step Solution
- Step 1: Write the proportion equation
423,065.16 : 634,599.92 = 142,584.84 : x - Step 2: Convert to fraction form
423,065.16/634,599.92 = 142,584.84/x - Step 3: Cross multiply
423,065.16x = 634,599.92 × 142,584.84 - Step 4: Simplify right side
423,065.16x = 90,484,328,057.21 - Step 5: Solve for x
x = 90,484,328,057.21/423,065.16 - Step 6: Final answer
x = 213,877.99
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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.