Home / 344,004.30-516,006.45-330,226.20

Finding the Fourth Proportional to 344,004.30, 516,006.45 and 330,226.20

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Solution

The fourth proportional to 344,004.30, 516,006.45 and 330,226.20 is: 495,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,004.30 : 516,006.45 = 330,226.20 : x
  2. Step 2: Convert to fraction form
    344,004.30/516,006.45 = 330,226.20/x
  3. Step 3: Cross multiply
    344,004.30x = 516,006.45 × 330,226.20
  4. Step 4: Simplify right side
    344,004.30x = 170,398,849,158.99
  5. Step 5: Solve for x
    x = 170,398,849,158.99/344,004.30
  6. Step 6: Final answer
    x = 495,339.30

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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.