Home / 370,022.20-554,450.10-310,535.80

Finding the Fourth Proportional to 370,022.20, 554,450.10 and 310,535.80

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Solution

The fourth proportional to 370,022.20, 554,450.10 and 310,535.80 is: 465,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,022.20 : 554,450.10 = 310,535.80 : x
  2. Step 2: Convert to fraction form
    370,022.20/554,450.10 = 310,535.80/x
  3. Step 3: Cross multiply
    370,022.20x = 554,450.10 × 310,535.80
  4. Step 4: Simplify right side
    370,022.20x = 172,176,605,363.58
  5. Step 5: Solve for x
    x = 172,176,605,363.58/370,022.20
  6. Step 6: Final answer
    x = 465,314.26

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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.