Home / 346,004.68-519,298.64-135,790.24

Finding the Fourth Proportional to 346,004.68, 519,298.64 and 135,790.24

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Solution

The fourth proportional to 346,004.68, 519,298.64 and 135,790.24 is: 203,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,004.68 : 519,298.64 = 135,790.24 : x
  2. Step 2: Convert to fraction form
    346,004.68/519,298.64 = 135,790.24/x
  3. Step 3: Cross multiply
    346,004.68x = 519,298.64 × 135,790.24
  4. Step 4: Simplify right side
    346,004.68x = 70,515,686,957.27
  5. Step 5: Solve for x
    x = 70,515,686,957.27/346,004.68
  6. Step 6: Final answer
    x = 203,799.81

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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.