Home / 370,246.20-555,369.30-212,782.20

Finding the Fourth Proportional to 370,246.20, 555,369.30 and 212,782.20

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Solution

The fourth proportional to 370,246.20, 555,369.30 and 212,782.20 is: 319,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,246.20 : 555,369.30 = 212,782.20 : x
  2. Step 2: Convert to fraction form
    370,246.20/555,369.30 = 212,782.20/x
  3. Step 3: Cross multiply
    370,246.20x = 555,369.30 × 212,782.20
  4. Step 4: Simplify right side
    370,246.20x = 118,172,701,466.46
  5. Step 5: Solve for x
    x = 118,172,701,466.46/370,246.20
  6. Step 6: Final answer
    x = 319,173.30

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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.