Home / 346,667.04-478,422.72-193,705.68

Finding the Fourth Proportional to 346,667.04, 478,422.72 and 193,705.68

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Solution

The fourth proportional to 346,667.04, 478,422.72 and 193,705.68 is: 267,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,667.04 : 478,422.72 = 193,705.68 : x
  2. Step 2: Convert to fraction form
    346,667.04/478,422.72 = 193,705.68/x
  3. Step 3: Cross multiply
    346,667.04x = 478,422.72 × 193,705.68
  4. Step 4: Simplify right side
    346,667.04x = 92,673,198,305.05
  5. Step 5: Solve for x
    x = 92,673,198,305.05/346,667.04
  6. Step 6: Final answer
    x = 267,326.25

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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.