Home / 301,215.60-451,677.48-90,814.32

Finding the Fourth Proportional to 301,215.60, 451,677.48 and 90,814.32

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Solution

The fourth proportional to 301,215.60, 451,677.48 and 90,814.32 is: 136,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,215.60 : 451,677.48 = 90,814.32 : x
  2. Step 2: Convert to fraction form
    301,215.60/451,677.48 = 90,814.32/x
  3. Step 3: Cross multiply
    301,215.60x = 451,677.48 × 90,814.32
  4. Step 4: Simplify right side
    301,215.60x = 41,018,783,205.51
  5. Step 5: Solve for x
    x = 41,018,783,205.51/301,215.60
  6. Step 6: Final answer
    x = 136,177.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.