Home / 442,026.12-662,484.06-189,009.39

Finding the Fourth Proportional to 442,026.12, 662,484.06 and 189,009.39

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Solution

The fourth proportional to 442,026.12, 662,484.06 and 189,009.39 is: 283,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,026.12 : 662,484.06 = 189,009.39 : x
  2. Step 2: Convert to fraction form
    442,026.12/662,484.06 = 189,009.39/x
  3. Step 3: Cross multiply
    442,026.12x = 662,484.06 × 189,009.39
  4. Step 4: Simplify right side
    442,026.12x = 125,215,708,065.32
  5. Step 5: Solve for x
    x = 125,215,708,065.32/442,026.12
  6. Step 6: Final answer
    x = 283,276.72

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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.