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Finding the Fourth Proportional to 435,748.02, 601,238.99 and 254,377.63

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Solution

The fourth proportional to 435,748.02, 601,238.99 and 254,377.63 is: 350,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,748.02 : 601,238.99 = 254,377.63 : x
  2. Step 2: Convert to fraction form
    435,748.02/601,238.99 = 254,377.63/x
  3. Step 3: Cross multiply
    435,748.02x = 601,238.99 × 254,377.63
  4. Step 4: Simplify right side
    435,748.02x = 152,941,749,339.79
  5. Step 5: Solve for x
    x = 152,941,749,339.79/435,748.02
  6. Step 6: Final answer
    x = 350,986.68

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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.