Finding the Fourth Proportional to 423,684.51, 635,525.85 and 266,023.68
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Solution
The fourth proportional to 423,684.51, 635,525.85 and 266,023.68 is: 399,034.95
Step by Step Solution
- Step 1: Write the proportion equation
423,684.51 : 635,525.85 = 266,023.68 : x - Step 2: Convert to fraction form
423,684.51/635,525.85 = 266,023.68/x - Step 3: Cross multiply
423,684.51x = 635,525.85 × 266,023.68 - Step 4: Simplify right side
423,684.51x = 169,064,925,352.13 - Step 5: Solve for x
x = 169,064,925,352.13/423,684.51 - Step 6: Final answer
x = 399,034.95
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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.