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Finding the Fourth Proportional to 455,875.95, 629,108.24 and 254,671.95

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Solution

The fourth proportional to 455,875.95, 629,108.24 and 254,671.95 is: 351,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,875.95 : 629,108.24 = 254,671.95 : x
  2. Step 2: Convert to fraction form
    455,875.95/629,108.24 = 254,671.95/x
  3. Step 3: Cross multiply
    455,875.95x = 629,108.24 × 254,671.95
  4. Step 4: Simplify right side
    455,875.95x = 160,216,220,968.51
  5. Step 5: Solve for x
    x = 160,216,220,968.51/455,875.95
  6. Step 6: Final answer
    x = 351,446.97

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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.