Home / 238,051.20-357,076.80-212,246.40

Finding the Fourth Proportional to 238,051.20, 357,076.80 and 212,246.40

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Solution

The fourth proportional to 238,051.20, 357,076.80 and 212,246.40 is: 318,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,051.20 : 357,076.80 = 212,246.40 : x
  2. Step 2: Convert to fraction form
    238,051.20/357,076.80 = 212,246.40/x
  3. Step 3: Cross multiply
    238,051.20x = 357,076.80 × 212,246.40
  4. Step 4: Simplify right side
    238,051.20x = 75,788,265,323.52
  5. Step 5: Solve for x
    x = 75,788,265,323.52/238,051.20
  6. Step 6: Final answer
    x = 318,369.60

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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.