Home / 346,529.30-519,793.61-130,428.38

Finding the Fourth Proportional to 346,529.30, 519,793.61 and 130,428.38

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Solution

The fourth proportional to 346,529.30, 519,793.61 and 130,428.38 is: 195,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,529.30 : 519,793.61 = 130,428.38 : x
  2. Step 2: Convert to fraction form
    346,529.30/519,793.61 = 130,428.38/x
  3. Step 3: Cross multiply
    346,529.30x = 519,793.61 × 130,428.38
  4. Step 4: Simplify right side
    346,529.30x = 67,795,840,112.21
  5. Step 5: Solve for x
    x = 67,795,840,112.21/346,529.30
  6. Step 6: Final answer
    x = 195,642.45

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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.