Home / 370,048.35-510,679.10-226,780.72

Finding the Fourth Proportional to 370,048.35, 510,679.10 and 226,780.72

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Solution

The fourth proportional to 370,048.35, 510,679.10 and 226,780.72 is: 312,964.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,048.35 : 510,679.10 = 226,780.72 : x
  2. Step 2: Convert to fraction form
    370,048.35/510,679.10 = 226,780.72/x
  3. Step 3: Cross multiply
    370,048.35x = 510,679.10 × 226,780.72
  4. Step 4: Simplify right side
    370,048.35x = 115,812,173,986.95
  5. Step 5: Solve for x
    x = 115,812,173,986.95/370,048.35
  6. Step 6: Final answer
    x = 312,964.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.