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Finding the Fourth Proportional to 458,820.60, 633,273.60 and 254,941.56

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Solution

The fourth proportional to 458,820.60, 633,273.60 and 254,941.56 is: 351,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,820.60 : 633,273.60 = 254,941.56 : x
  2. Step 2: Convert to fraction form
    458,820.60/633,273.60 = 254,941.56/x
  3. Step 3: Cross multiply
    458,820.60x = 633,273.60 × 254,941.56
  4. Step 4: Simplify right side
    458,820.60x = 161,447,759,490.82
  5. Step 5: Solve for x
    x = 161,447,759,490.82/458,820.60
  6. Step 6: Final answer
    x = 351,875.57

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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.