Home / 346,439.04-477,977.04-203,205.12

Finding the Fourth Proportional to 346,439.04, 477,977.04 and 203,205.12

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Solution

The fourth proportional to 346,439.04, 477,977.04 and 203,205.12 is: 280,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,439.04 : 477,977.04 = 203,205.12 : x
  2. Step 2: Convert to fraction form
    346,439.04/477,977.04 = 203,205.12/x
  3. Step 3: Cross multiply
    346,439.04x = 477,977.04 × 203,205.12
  4. Step 4: Simplify right side
    346,439.04x = 97,127,381,770.44
  5. Step 5: Solve for x
    x = 97,127,381,770.44/346,439.04
  6. Step 6: Final answer
    x = 280,359.23

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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.