Home / 346,563.30-519,772.05-146,890.20

Finding the Fourth Proportional to 346,563.30, 519,772.05 and 146,890.20

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Solution

The fourth proportional to 346,563.30, 519,772.05 and 146,890.20 is: 220,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,563.30 : 519,772.05 = 146,890.20 : x
  2. Step 2: Convert to fraction form
    346,563.30/519,772.05 = 146,890.20/x
  3. Step 3: Cross multiply
    346,563.30x = 519,772.05 × 146,890.20
  4. Step 4: Simplify right side
    346,563.30x = 76,349,420,378.91
  5. Step 5: Solve for x
    x = 76,349,420,378.91/346,563.30
  6. Step 6: Final answer
    x = 220,304.40

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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.