Home / 374,312.28-561,408.12-104,447.40

Finding the Fourth Proportional to 374,312.28, 561,408.12 and 104,447.40

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Solution

The fourth proportional to 374,312.28, 561,408.12 and 104,447.40 is: 156,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,312.28 : 561,408.12 = 104,447.40 : x
  2. Step 2: Convert to fraction form
    374,312.28/561,408.12 = 104,447.40/x
  3. Step 3: Cross multiply
    374,312.28x = 561,408.12 × 104,447.40
  4. Step 4: Simplify right side
    374,312.28x = 58,637,618,472.89
  5. Step 5: Solve for x
    x = 58,637,618,472.89/374,312.28
  6. Step 6: Final answer
    x = 156,654.27

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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.