Finding the Fourth Proportional to 133,693.29, 184,479.21 and 79,958.70
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Solution
The fourth proportional to 133,693.29, 184,479.21 and 79,958.70 is: 110,332.52
Step by Step Solution
- Step 1: Write the proportion equation
133,693.29 : 184,479.21 = 79,958.70 : x - Step 2: Convert to fraction form
133,693.29/184,479.21 = 79,958.70/x - Step 3: Cross multiply
133,693.29x = 184,479.21 × 79,958.70 - Step 4: Simplify right side
133,693.29x = 14,750,717,808.63 - Step 5: Solve for x
x = 14,750,717,808.63/133,693.29 - Step 6: Final answer
x = 110,332.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.