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Finding the Fourth Proportional to 259,846.48, 358,486.86 and 152,376.76

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Solution

The fourth proportional to 259,846.48, 358,486.86 and 152,376.76 is: 210,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,846.48 : 358,486.86 = 152,376.76 : x
  2. Step 2: Convert to fraction form
    259,846.48/358,486.86 = 152,376.76/x
  3. Step 3: Cross multiply
    259,846.48x = 358,486.86 × 152,376.76
  4. Step 4: Simplify right side
    259,846.48x = 54,625,066,229.37
  5. Step 5: Solve for x
    x = 54,625,066,229.37/259,846.48
  6. Step 6: Final answer
    x = 210,220.54

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1.5x scale

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.