Home / 286,393.32-429,557.04-76,048.20

Finding the Fourth Proportional to 286,393.32, 429,557.04 and 76,048.20

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Solution

The fourth proportional to 286,393.32, 429,557.04 and 76,048.20 is: 114,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,393.32 : 429,557.04 = 76,048.20 : x
  2. Step 2: Convert to fraction form
    286,393.32/429,557.04 = 76,048.20/x
  3. Step 3: Cross multiply
    286,393.32x = 429,557.04 × 76,048.20
  4. Step 4: Simplify right side
    286,393.32x = 32,667,039,689.33
  5. Step 5: Solve for x
    x = 32,667,039,689.33/286,393.32
  6. Step 6: Final answer
    x = 114,063.55

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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.