Home / 243,037.40-364,556.10-154,002.20

Finding the Fourth Proportional to 243,037.40, 364,556.10 and 154,002.20

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Solution

The fourth proportional to 243,037.40, 364,556.10 and 154,002.20 is: 231,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,037.40 : 364,556.10 = 154,002.20 : x
  2. Step 2: Convert to fraction form
    243,037.40/364,556.10 = 154,002.20/x
  3. Step 3: Cross multiply
    243,037.40x = 364,556.10 × 154,002.20
  4. Step 4: Simplify right side
    243,037.40x = 56,142,441,423.42
  5. Step 5: Solve for x
    x = 56,142,441,423.42/243,037.40
  6. Step 6: Final answer
    x = 231,003.30

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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.