Finding the Fourth Proportional to 165,320.51, 248,050.98 and 90,353.08
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Solution
The fourth proportional to 165,320.51, 248,050.98 and 90,353.08 is: 135,567.99
Step by Step Solution
- Step 1: Write the proportion equation
165,320.51 : 248,050.98 = 90,353.08 : x - Step 2: Convert to fraction form
165,320.51/248,050.98 = 90,353.08/x - Step 3: Cross multiply
165,320.51x = 248,050.98 × 90,353.08 - Step 4: Simplify right side
165,320.51x = 22,412,168,785.38 - Step 5: Solve for x
x = 22,412,168,785.38/165,320.51 - Step 6: Final answer
x = 135,567.99
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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.