Home / 429,090.21-592,172.16-238,103.61

Finding the Fourth Proportional to 429,090.21, 592,172.16 and 238,103.61

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Solution

The fourth proportional to 429,090.21, 592,172.16 and 238,103.61 is: 328,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,090.21 : 592,172.16 = 238,103.61 : x
  2. Step 2: Convert to fraction form
    429,090.21/592,172.16 = 238,103.61/x
  3. Step 3: Cross multiply
    429,090.21x = 592,172.16 × 238,103.61
  4. Step 4: Simplify right side
    429,090.21x = 140,998,329,037.50
  5. Step 5: Solve for x
    x = 140,998,329,037.50/429,090.21
  6. Step 6: Final answer
    x = 328,598.34

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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.