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Finding the Fourth Proportional to 459,852.80, 634,617.60 and 258,648.80

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Solution

The fourth proportional to 459,852.80, 634,617.60 and 258,648.80 is: 356,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,852.80 : 634,617.60 = 258,648.80 : x
  2. Step 2: Convert to fraction form
    459,852.80/634,617.60 = 258,648.80/x
  3. Step 3: Cross multiply
    459,852.80x = 634,617.60 × 258,648.80
  4. Step 4: Simplify right side
    459,852.80x = 164,143,080,698.88
  5. Step 5: Solve for x
    x = 164,143,080,698.88/459,852.80
  6. Step 6: Final answer
    x = 356,947.01

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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.