Home / 341,705.13-512,598.74-142,160.55

Finding the Fourth Proportional to 341,705.13, 512,598.74 and 142,160.55

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Solution

The fourth proportional to 341,705.13, 512,598.74 and 142,160.55 is: 213,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,705.13 : 512,598.74 = 142,160.55 : x
  2. Step 2: Convert to fraction form
    341,705.13/512,598.74 = 142,160.55/x
  3. Step 3: Cross multiply
    341,705.13x = 512,598.74 × 142,160.55
  4. Step 4: Simplify right side
    341,705.13x = 72,871,318,096.90
  5. Step 5: Solve for x
    x = 72,871,318,096.90/341,705.13
  6. Step 6: Final answer
    x = 213,257.90

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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.