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Finding the Fourth Proportional to 254,374.32, 350,936.65 and 152,404.07

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Solution

The fourth proportional to 254,374.32, 350,936.65 and 152,404.07 is: 210,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,374.32 : 350,936.65 = 152,404.07 : x
  2. Step 2: Convert to fraction form
    254,374.32/350,936.65 = 152,404.07/x
  3. Step 3: Cross multiply
    254,374.32x = 350,936.65 × 152,404.07
  4. Step 4: Simplify right side
    254,374.32x = 53,484,172,207.99
  5. Step 5: Solve for x
    x = 53,484,172,207.99/254,374.32
  6. Step 6: Final answer
    x = 210,257.75

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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.