Home / 355,130.13-490,076.67-193,985.22

Finding the Fourth Proportional to 355,130.13, 490,076.67 and 193,985.22

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Solution

The fourth proportional to 355,130.13, 490,076.67 and 193,985.22 is: 267,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,130.13 : 490,076.67 = 193,985.22 : x
  2. Step 2: Convert to fraction form
    355,130.13/490,076.67 = 193,985.22/x
  3. Step 3: Cross multiply
    355,130.13x = 490,076.67 × 193,985.22
  4. Step 4: Simplify right side
    355,130.13x = 95,067,630,646.82
  5. Step 5: Solve for x
    x = 95,067,630,646.82/355,130.13
  6. Step 6: Final answer
    x = 267,698.01

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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.