Finding the Fourth Proportional to 185,438.39, 278,207.52 and 95,432.07
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Solution
The fourth proportional to 185,438.39, 278,207.52 and 95,432.07 is: 143,173.80
Step by Step Solution
- Step 1: Write the proportion equation
185,438.39 : 278,207.52 = 95,432.07 : x - Step 2: Convert to fraction form
185,438.39/278,207.52 = 95,432.07/x - Step 3: Cross multiply
185,438.39x = 278,207.52 × 95,432.07 - Step 4: Simplify right side
185,438.39x = 26,549,918,479.89 - Step 5: Solve for x
x = 26,549,918,479.89/185,438.39 - Step 6: Final answer
x = 143,173.80
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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.