Home / 286,522.04-429,634.74-128,614.52

Finding the Fourth Proportional to 286,522.04, 429,634.74 and 128,614.52

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Solution

The fourth proportional to 286,522.04, 429,634.74 and 128,614.52 is: 192,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,522.04 : 429,634.74 = 128,614.52 : x
  2. Step 2: Convert to fraction form
    286,522.04/429,634.74 = 128,614.52/x
  3. Step 3: Cross multiply
    286,522.04x = 429,634.74 × 128,614.52
  4. Step 4: Simplify right side
    286,522.04x = 55,257,265,860.42
  5. Step 5: Solve for x
    x = 55,257,265,860.42/286,522.04
  6. Step 6: Final answer
    x = 192,855.20

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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.