Home / 251,746.20-377,619.30-145,312.20

Finding the Fourth Proportional to 251,746.20, 377,619.30 and 145,312.20

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Solution

The fourth proportional to 251,746.20, 377,619.30 and 145,312.20 is: 217,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,746.20 : 377,619.30 = 145,312.20 : x
  2. Step 2: Convert to fraction form
    251,746.20/377,619.30 = 145,312.20/x
  3. Step 3: Cross multiply
    251,746.20x = 377,619.30 × 145,312.20
  4. Step 4: Simplify right side
    251,746.20x = 54,872,691,245.46
  5. Step 5: Solve for x
    x = 54,872,691,245.46/251,746.20
  6. Step 6: Final answer
    x = 217,968.30

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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.