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Finding the Fourth Proportional to 259,885.17, 358,647.42 and 152,532.63

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Solution

The fourth proportional to 259,885.17, 358,647.42 and 152,532.63 is: 210,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,885.17 : 358,647.42 = 152,532.63 : x
  2. Step 2: Convert to fraction form
    259,885.17/358,647.42 = 152,532.63/x
  3. Step 3: Cross multiply
    259,885.17x = 358,647.42 × 152,532.63
  4. Step 4: Simplify right side
    259,885.17x = 54,705,434,215.31
  5. Step 5: Solve for x
    x = 54,705,434,215.31/259,885.17
  6. Step 6: Final answer
    x = 210,498.48

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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.