Finding the Fourth Proportional to 423,515.06, 634,882.73 and 183,478.14
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Solution
The fourth proportional to 423,515.06, 634,882.73 and 183,478.14 is: 275,048.31
Step by Step Solution
- Step 1: Write the proportion equation
423,515.06 : 634,882.73 = 183,478.14 : x - Step 2: Convert to fraction form
423,515.06/634,882.73 = 183,478.14/x - Step 3: Cross multiply
423,515.06x = 634,882.73 × 183,478.14 - Step 4: Simplify right side
423,515.06x = 116,487,101,501.13 - Step 5: Solve for x
x = 116,487,101,501.13/423,515.06 - Step 6: Final answer
x = 275,048.31
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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.